Home / 25,554.38-38,318.61-11,691.50

Finding the Fourth Proportional to 25,554.38, 38,318.61 and 11,691.50

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Solution

The fourth proportional to 25,554.38, 38,318.61 and 11,691.50 is: 17,531.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,554.38 : 38,318.61 = 11,691.50 : x
  2. Step 2: Convert to fraction form
    25,554.38/38,318.61 = 11,691.50/x
  3. Step 3: Cross multiply
    25,554.38x = 38,318.61 × 11,691.50
  4. Step 4: Simplify right side
    25,554.38x = 448,002,028.82
  5. Step 5: Solve for x
    x = 448,002,028.82/25,554.38
  6. Step 6: Final answer
    x = 17,531.32

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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.