Home / 27,983.90-41,949.46-13,930.63

Finding the Fourth Proportional to 27,983.90, 41,949.46 and 13,930.63

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Solution

The fourth proportional to 27,983.90, 41,949.46 and 13,930.63 is: 20,882.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,983.90 : 41,949.46 = 13,930.63 : x
  2. Step 2: Convert to fraction form
    27,983.90/41,949.46 = 13,930.63/x
  3. Step 3: Cross multiply
    27,983.90x = 41,949.46 × 13,930.63
  4. Step 4: Simplify right side
    27,983.90x = 584,382,196.21
  5. Step 5: Solve for x
    x = 584,382,196.21/27,983.90
  6. Step 6: Final answer
    x = 20,882.80

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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.