Home / 38,511.01-57,787.88-18,789.73

Finding the Fourth Proportional to 38,511.01, 57,787.88 and 18,789.73

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Solution

The fourth proportional to 38,511.01, 57,787.88 and 18,789.73 is: 28,195.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,511.01 : 57,787.88 = 18,789.73 : x
  2. Step 2: Convert to fraction form
    38,511.01/57,787.88 = 18,789.73/x
  3. Step 3: Cross multiply
    38,511.01x = 57,787.88 × 18,789.73
  4. Step 4: Simplify right side
    38,511.01x = 1,085,818,662.47
  5. Step 5: Solve for x
    x = 1,085,818,662.47/38,511.01
  6. Step 6: Final answer
    x = 28,195.02

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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.