Home / 38,348.28-57,504.20-13,385.32

Finding the Fourth Proportional to 38,348.28, 57,504.20 and 13,385.32

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Solution

The fourth proportional to 38,348.28, 57,504.20 and 13,385.32 is: 20,071.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,348.28 : 57,504.20 = 13,385.32 : x
  2. Step 2: Convert to fraction form
    38,348.28/57,504.20 = 13,385.32/x
  3. Step 3: Cross multiply
    38,348.28x = 57,504.20 × 13,385.32
  4. Step 4: Simplify right side
    38,348.28x = 769,712,118.34
  5. Step 5: Solve for x
    x = 769,712,118.34/38,348.28
  6. Step 6: Final answer
    x = 20,071.62

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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.