Home / 27,882.18-38,479.98-15,943.14

Finding the Fourth Proportional to 27,882.18, 38,479.98 and 15,943.14

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Solution

The fourth proportional to 27,882.18, 38,479.98 and 15,943.14 is: 22,003.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,882.18 : 38,479.98 = 15,943.14 : x
  2. Step 2: Convert to fraction form
    27,882.18/38,479.98 = 15,943.14/x
  3. Step 3: Cross multiply
    27,882.18x = 38,479.98 × 15,943.14
  4. Step 4: Simplify right side
    27,882.18x = 613,491,708.34
  5. Step 5: Solve for x
    x = 613,491,708.34/27,882.18
  6. Step 6: Final answer
    x = 22,003.00

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.