Home / 25,747.65-38,622.15-8,217.48

Finding the Fourth Proportional to 25,747.65, 38,622.15 and 8,217.48

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Solution

The fourth proportional to 25,747.65, 38,622.15 and 8,217.48 is: 12,326.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,747.65 : 38,622.15 = 8,217.48 : x
  2. Step 2: Convert to fraction form
    25,747.65/38,622.15 = 8,217.48/x
  3. Step 3: Cross multiply
    25,747.65x = 38,622.15 × 8,217.48
  4. Step 4: Simplify right side
    25,747.65x = 317,376,745.18
  5. Step 5: Solve for x
    x = 317,376,745.18/25,747.65
  6. Step 6: Final answer
    x = 12,326.44

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Similar ratio
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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.