Home / 26,739.26-36,909.90-15,561.26

Finding the Fourth Proportional to 26,739.26, 36,909.90 and 15,561.26

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Solution

The fourth proportional to 26,739.26, 36,909.90 and 15,561.26 is: 21,480.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,739.26 : 36,909.90 = 15,561.26 : x
  2. Step 2: Convert to fraction form
    26,739.26/36,909.90 = 15,561.26/x
  3. Step 3: Cross multiply
    26,739.26x = 36,909.90 × 15,561.26
  4. Step 4: Simplify right side
    26,739.26x = 574,364,550.47
  5. Step 5: Solve for x
    x = 574,364,550.47/26,739.26
  6. Step 6: Final answer
    x = 21,480.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.