Home / 38,512.60-57,623.10-25,390.60

Finding the Fourth Proportional to 38,512.60, 57,623.10 and 25,390.60

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Solution

The fourth proportional to 38,512.60, 57,623.10 and 25,390.60 is: 37,989.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,512.60 : 57,623.10 = 25,390.60 : x
  2. Step 2: Convert to fraction form
    38,512.60/57,623.10 = 25,390.60/x
  3. Step 3: Cross multiply
    38,512.60x = 57,623.10 × 25,390.60
  4. Step 4: Simplify right side
    38,512.60x = 1,463,085,082.86
  5. Step 5: Solve for x
    x = 1,463,085,082.86/38,512.60
  6. Step 6: Final answer
    x = 37,989.78

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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.