Home / 25,645.50-38,470.41-7,177.50

Finding the Fourth Proportional to 25,645.50, 38,470.41 and 7,177.50

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Solution

The fourth proportional to 25,645.50, 38,470.41 and 7,177.50 is: 10,766.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,645.50 : 38,470.41 = 7,177.50 : x
  2. Step 2: Convert to fraction form
    25,645.50/38,470.41 = 7,177.50/x
  3. Step 3: Cross multiply
    25,645.50x = 38,470.41 × 7,177.50
  4. Step 4: Simplify right side
    25,645.50x = 276,121,367.78
  5. Step 5: Solve for x
    x = 276,121,367.78/25,645.50
  6. Step 6: Final answer
    x = 10,766.85

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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.