Home / 38,577.24-57,772.40-26,697.72

Finding the Fourth Proportional to 38,577.24, 57,772.40 and 26,697.72

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Solution

The fourth proportional to 38,577.24, 57,772.40 and 26,697.72 is: 39,981.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,577.24 : 57,772.40 = 26,697.72 : x
  2. Step 2: Convert to fraction form
    38,577.24/57,772.40 = 26,697.72/x
  3. Step 3: Cross multiply
    38,577.24x = 57,772.40 × 26,697.72
  4. Step 4: Simplify right side
    38,577.24x = 1,542,391,358.93
  5. Step 5: Solve for x
    x = 1,542,391,358.93/38,577.24
  6. Step 6: Final answer
    x = 39,981.90

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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.