Home / 25,691.91-38,538.66-6,971.88

Finding the Fourth Proportional to 25,691.91, 38,538.66 and 6,971.88

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Solution

The fourth proportional to 25,691.91, 38,538.66 and 6,971.88 is: 10,458.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,691.91 : 38,538.66 = 6,971.88 : x
  2. Step 2: Convert to fraction form
    25,691.91/38,538.66 = 6,971.88/x
  3. Step 3: Cross multiply
    25,691.91x = 38,538.66 × 6,971.88
  4. Step 4: Simplify right side
    25,691.91x = 268,686,912.88
  5. Step 5: Solve for x
    x = 268,686,912.88/25,691.91
  6. Step 6: Final answer
    x = 10,458.04

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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.