Home / 38,551.18-57,787.38-21,876

Finding the Fourth Proportional to 38,551.18, 57,787.38 and 21,876

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Solution

The fourth proportional to 38,551.18, 57,787.38 and 21,876 is: 32,791.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,551.18 : 57,787.38 = 21,876 : x
  2. Step 2: Convert to fraction form
    38,551.18/57,787.38 = 21,876/x
  3. Step 3: Cross multiply
    38,551.18x = 57,787.38 × 21,876
  4. Step 4: Simplify right side
    38,551.18x = 1,264,156,724.88
  5. Step 5: Solve for x
    x = 1,264,156,724.88/38,551.18
  6. Step 6: Final answer
    x = 32,791.65

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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.