Home / 25,414.13-38,120.81-7,883.96

Finding the Fourth Proportional to 25,414.13, 38,120.81 and 7,883.96

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Solution

The fourth proportional to 25,414.13, 38,120.81 and 7,883.96 is: 11,825.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,414.13 : 38,120.81 = 7,883.96 : x
  2. Step 2: Convert to fraction form
    25,414.13/38,120.81 = 7,883.96/x
  3. Step 3: Cross multiply
    25,414.13x = 38,120.81 × 7,883.96
  4. Step 4: Simplify right side
    25,414.13x = 300,542,711.18
  5. Step 5: Solve for x
    x = 300,542,711.18/25,414.13
  6. Step 6: Final answer
    x = 11,825.81

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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.