Home / 27,625.10-38,122.61-15,049.85

Finding the Fourth Proportional to 27,625.10, 38,122.61 and 15,049.85

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Solution

The fourth proportional to 27,625.10, 38,122.61 and 15,049.85 is: 20,768.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,625.10 : 38,122.61 = 15,049.85 : x
  2. Step 2: Convert to fraction form
    27,625.10/38,122.61 = 15,049.85/x
  3. Step 3: Cross multiply
    27,625.10x = 38,122.61 × 15,049.85
  4. Step 4: Simplify right side
    27,625.10x = 573,739,296.25
  5. Step 5: Solve for x
    x = 573,739,296.25/27,625.10
  6. Step 6: Final answer
    x = 20,768.77

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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.