Home / 25,387.38-38,088.90-11,359.17

Finding the Fourth Proportional to 25,387.38, 38,088.90 and 11,359.17

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Solution

The fourth proportional to 25,387.38, 38,088.90 and 11,359.17 is: 17,042.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,387.38 : 38,088.90 = 11,359.17 : x
  2. Step 2: Convert to fraction form
    25,387.38/38,088.90 = 11,359.17/x
  3. Step 3: Cross multiply
    25,387.38x = 38,088.90 × 11,359.17
  4. Step 4: Simplify right side
    25,387.38x = 432,658,290.21
  5. Step 5: Solve for x
    x = 432,658,290.21/25,387.38
  6. Step 6: Final answer
    x = 17,042.26

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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.