Home / 27,882.40-41,823.60-7,105.90

Finding the Fourth Proportional to 27,882.40, 41,823.60 and 7,105.90

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Solution

The fourth proportional to 27,882.40, 41,823.60 and 7,105.90 is: 10,658.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,882.40 : 41,823.60 = 7,105.90 : x
  2. Step 2: Convert to fraction form
    27,882.40/41,823.60 = 7,105.90/x
  3. Step 3: Cross multiply
    27,882.40x = 41,823.60 × 7,105.90
  4. Step 4: Simplify right side
    27,882.40x = 297,194,319.24
  5. Step 5: Solve for x
    x = 297,194,319.24/27,882.40
  6. Step 6: Final answer
    x = 10,658.85

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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.