Home / 38,339.40-57,504.20-28,493.04

Finding the Fourth Proportional to 38,339.40, 57,504.20 and 28,493.04

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Solution

The fourth proportional to 38,339.40, 57,504.20 and 28,493.04 is: 42,735.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,339.40 : 57,504.20 = 28,493.04 : x
  2. Step 2: Convert to fraction form
    38,339.40/57,504.20 = 28,493.04/x
  3. Step 3: Cross multiply
    38,339.40x = 57,504.20 × 28,493.04
  4. Step 4: Simplify right side
    38,339.40x = 1,638,469,470.77
  5. Step 5: Solve for x
    x = 1,638,469,470.77/38,339.40
  6. Step 6: Final answer
    x = 42,735.92

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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.