Home / 27,781.28-41,654.15-11,996.61

Finding the Fourth Proportional to 27,781.28, 41,654.15 and 11,996.61

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Solution

The fourth proportional to 27,781.28, 41,654.15 and 11,996.61 is: 17,987.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,781.28 : 41,654.15 = 11,996.61 : x
  2. Step 2: Convert to fraction form
    27,781.28/41,654.15 = 11,996.61/x
  3. Step 3: Cross multiply
    27,781.28x = 41,654.15 × 11,996.61
  4. Step 4: Simplify right side
    27,781.28x = 499,708,421.23
  5. Step 5: Solve for x
    x = 499,708,421.23/27,781.28
  6. Step 6: Final answer
    x = 17,987.24

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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.