Home / 27,909.05-38,514.42-15,972.62

Finding the Fourth Proportional to 27,909.05, 38,514.42 and 15,972.62

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Solution

The fourth proportional to 27,909.05, 38,514.42 and 15,972.62 is: 22,042.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,909.05 : 38,514.42 = 15,972.62 : x
  2. Step 2: Convert to fraction form
    27,909.05/38,514.42 = 15,972.62/x
  3. Step 3: Cross multiply
    27,909.05x = 38,514.42 × 15,972.62
  4. Step 4: Simplify right side
    27,909.05x = 615,176,002.61
  5. Step 5: Solve for x
    x = 615,176,002.61/27,909.05
  6. Step 6: Final answer
    x = 22,042.17

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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.