Answer:
[tex]19.5,\ 58.5[/tex]
Step-by-step explanation:
[tex]\text{Solution:}\\\text{Let the big number be }x\text{ and small number be }26-x.\\\text{Then,}\\x=3(26-x)\\\text{or, }x=78-3x\\\text{or, }4x=78\\\text{or, }x=19.5\\\therefore\ \text{The other number = }3x=3(19.5)=58.5[/tex]