Home / 27,948.68-38,569.42-15,201.97

Finding the Fourth Proportional to 27,948.68, 38,569.42 and 15,201.97

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Solution

The fourth proportional to 27,948.68, 38,569.42 and 15,201.97 is: 20,978.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,948.68 : 38,569.42 = 15,201.97 : x
  2. Step 2: Convert to fraction form
    27,948.68/38,569.42 = 15,201.97/x
  3. Step 3: Cross multiply
    27,948.68x = 38,569.42 × 15,201.97
  4. Step 4: Simplify right side
    27,948.68x = 586,330,972.91
  5. Step 5: Solve for x
    x = 586,330,972.91/27,948.68
  6. Step 6: Final answer
    x = 20,978.84

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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.