Home / 26,515.31-39,770.89-15,414.92

Finding the Fourth Proportional to 26,515.31, 39,770.89 and 15,414.92

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Solution

The fourth proportional to 26,515.31, 39,770.89 and 15,414.92 is: 23,121.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,515.31 : 39,770.89 = 15,414.92 : x
  2. Step 2: Convert to fraction form
    26,515.31/39,770.89 = 15,414.92/x
  3. Step 3: Cross multiply
    26,515.31x = 39,770.89 × 15,414.92
  4. Step 4: Simplify right side
    26,515.31x = 613,064,850.29
  5. Step 5: Solve for x
    x = 613,064,850.29/26,515.31
  6. Step 6: Final answer
    x = 23,121.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.