Home / 26,505.38-39,711.35-13,997.87

Finding the Fourth Proportional to 26,505.38, 39,711.35 and 13,997.87

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Solution

The fourth proportional to 26,505.38, 39,711.35 and 13,997.87 is: 20,972.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,505.38 : 39,711.35 = 13,997.87 : x
  2. Step 2: Convert to fraction form
    26,505.38/39,711.35 = 13,997.87/x
  3. Step 3: Cross multiply
    26,505.38x = 39,711.35 × 13,997.87
  4. Step 4: Simplify right side
    26,505.38x = 555,874,046.28
  5. Step 5: Solve for x
    x = 555,874,046.28/26,505.38
  6. Step 6: Final answer
    x = 20,972.13

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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.