Home / 25,748.85-38,623.28-9,127.65

Finding the Fourth Proportional to 25,748.85, 38,623.28 and 9,127.65

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Solution

The fourth proportional to 25,748.85, 38,623.28 and 9,127.65 is: 13,691.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,748.85 : 38,623.28 = 9,127.65 : x
  2. Step 2: Convert to fraction form
    25,748.85/38,623.28 = 9,127.65/x
  3. Step 3: Cross multiply
    25,748.85x = 38,623.28 × 9,127.65
  4. Step 4: Simplify right side
    25,748.85x = 352,539,736.05
  5. Step 5: Solve for x
    x = 352,539,736.05/25,748.85
  6. Step 6: Final answer
    x = 13,691.48

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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.