Home / 25,765.14-35,557.17-15,691.97

Finding the Fourth Proportional to 25,765.14, 35,557.17 and 15,691.97

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Solution

The fourth proportional to 25,765.14, 35,557.17 and 15,691.97 is: 21,655.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,765.14 : 35,557.17 = 15,691.97 : x
  2. Step 2: Convert to fraction form
    25,765.14/35,557.17 = 15,691.97/x
  3. Step 3: Cross multiply
    25,765.14x = 35,557.17 × 15,691.97
  4. Step 4: Simplify right side
    25,765.14x = 557,961,867.14
  5. Step 5: Solve for x
    x = 557,961,867.14/25,765.14
  6. Step 6: Final answer
    x = 21,655.69

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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.