Home / 38,690.44-57,960.92-28,540.94

Finding the Fourth Proportional to 38,690.44, 57,960.92 and 28,540.94

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Solution

The fourth proportional to 38,690.44, 57,960.92 and 28,540.94 is: 42,756.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,690.44 : 57,960.92 = 28,540.94 : x
  2. Step 2: Convert to fraction form
    38,690.44/57,960.92 = 28,540.94/x
  3. Step 3: Cross multiply
    38,690.44x = 57,960.92 × 28,540.94
  4. Step 4: Simplify right side
    38,690.44x = 1,654,258,921.61
  5. Step 5: Solve for x
    x = 1,654,258,921.61/38,690.44
  6. Step 6: Final answer
    x = 42,756.27

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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.