Home / 27,982.20-41,967.14-9,257.80

Finding the Fourth Proportional to 27,982.20, 41,967.14 and 9,257.80

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Solution

The fourth proportional to 27,982.20, 41,967.14 and 9,257.80 is: 13,884.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,982.20 : 41,967.14 = 9,257.80 : x
  2. Step 2: Convert to fraction form
    27,982.20/41,967.14 = 9,257.80/x
  3. Step 3: Cross multiply
    27,982.20x = 41,967.14 × 9,257.80
  4. Step 4: Simplify right side
    27,982.20x = 388,523,388.69
  5. Step 5: Solve for x
    x = 388,523,388.69/27,982.20
  6. Step 6: Final answer
    x = 13,884.66

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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.