Home / 25,691.32-35,452.92-15,082.12

Finding the Fourth Proportional to 25,691.32, 35,452.92 and 15,082.12

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Solution

The fourth proportional to 25,691.32, 35,452.92 and 15,082.12 is: 20,812.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,691.32 : 35,452.92 = 15,082.12 : x
  2. Step 2: Convert to fraction form
    25,691.32/35,452.92 = 15,082.12/x
  3. Step 3: Cross multiply
    25,691.32x = 35,452.92 × 15,082.12
  4. Step 4: Simplify right side
    25,691.32x = 534,705,193.79
  5. Step 5: Solve for x
    x = 534,705,193.79/25,691.32
  6. Step 6: Final answer
    x = 20,812.68

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1.5x scale

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.