Home / 27,625.20-38,122.42-15,049.96

Finding the Fourth Proportional to 27,625.20, 38,122.42 and 15,049.96

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Solution

The fourth proportional to 27,625.20, 38,122.42 and 15,049.96 is: 20,768.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,625.20 : 38,122.42 = 15,049.96 : x
  2. Step 2: Convert to fraction form
    27,625.20/38,122.42 = 15,049.96/x
  3. Step 3: Cross multiply
    27,625.20x = 38,122.42 × 15,049.96
  4. Step 4: Simplify right side
    27,625.20x = 573,740,896.10
  5. Step 5: Solve for x
    x = 573,740,896.10/27,625.20
  6. Step 6: Final answer
    x = 20,768.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.