Home / 25,517.28-38,281.92-7,747.68

Finding the Fourth Proportional to 25,517.28, 38,281.92 and 7,747.68

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Solution

The fourth proportional to 25,517.28, 38,281.92 and 7,747.68 is: 11,623.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,517.28 : 38,281.92 = 7,747.68 : x
  2. Step 2: Convert to fraction form
    25,517.28/38,281.92 = 7,747.68/x
  3. Step 3: Cross multiply
    25,517.28x = 38,281.92 × 7,747.68
  4. Step 4: Simplify right side
    25,517.28x = 296,596,065.95
  5. Step 5: Solve for x
    x = 296,596,065.95/25,517.28
  6. Step 6: Final answer
    x = 11,623.34

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1.5x scale

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.