Home / 22,711.33-34,057.27-7,915.87

Finding the Fourth Proportional to 22,711.33, 34,057.27 and 7,915.87

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Solution

The fourth proportional to 22,711.33, 34,057.27 and 7,915.87 is: 11,870.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,711.33 : 34,057.27 = 7,915.87 : x
  2. Step 2: Convert to fraction form
    22,711.33/34,057.27 = 7,915.87/x
  3. Step 3: Cross multiply
    22,711.33x = 34,057.27 × 7,915.87
  4. Step 4: Simplify right side
    22,711.33x = 269,592,921.87
  5. Step 5: Solve for x
    x = 269,592,921.87/22,711.33
  6. Step 6: Final answer
    x = 11,870.42

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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.