Home / 34,876.28-52,306.54-9,915.78

Finding the Fourth Proportional to 34,876.28, 52,306.54 and 9,915.78

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Solution

The fourth proportional to 34,876.28, 52,306.54 and 9,915.78 is: 14,871.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,876.28 : 52,306.54 = 9,915.78 : x
  2. Step 2: Convert to fraction form
    34,876.28/52,306.54 = 9,915.78/x
  3. Step 3: Cross multiply
    34,876.28x = 52,306.54 × 9,915.78
  4. Step 4: Simplify right side
    34,876.28x = 518,660,093.62
  5. Step 5: Solve for x
    x = 518,660,093.62/34,876.28
  6. Step 6: Final answer
    x = 14,871.43

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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.