Home / 27,883.20-41,768.10-17,320.80

Finding the Fourth Proportional to 27,883.20, 41,768.10 and 17,320.80

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Solution

The fourth proportional to 27,883.20, 41,768.10 and 17,320.80 is: 25,945.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,883.20 : 41,768.10 = 17,320.80 : x
  2. Step 2: Convert to fraction form
    27,883.20/41,768.10 = 17,320.80/x
  3. Step 3: Cross multiply
    27,883.20x = 41,768.10 × 17,320.80
  4. Step 4: Simplify right side
    27,883.20x = 723,456,906.48
  5. Step 5: Solve for x
    x = 723,456,906.48/27,883.20
  6. Step 6: Final answer
    x = 25,945.98

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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.