Home / 38,517.26-57,736.25-18,771.39

Finding the Fourth Proportional to 38,517.26, 57,736.25 and 18,771.39

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Solution

The fourth proportional to 38,517.26, 57,736.25 and 18,771.39 is: 28,137.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,517.26 : 57,736.25 = 18,771.39 : x
  2. Step 2: Convert to fraction form
    38,517.26/57,736.25 = 18,771.39/x
  3. Step 3: Cross multiply
    38,517.26x = 57,736.25 × 18,771.39
  4. Step 4: Simplify right side
    38,517.26x = 1,083,789,572.03
  5. Step 5: Solve for x
    x = 1,083,789,572.03/38,517.26
  6. Step 6: Final answer
    x = 28,137.77

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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.