Home / 27,788.13-41,629.91-13,731.80

Finding the Fourth Proportional to 27,788.13, 41,629.91 and 13,731.80

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Solution

The fourth proportional to 27,788.13, 41,629.91 and 13,731.80 is: 20,571.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,788.13 : 41,629.91 = 13,731.80 : x
  2. Step 2: Convert to fraction form
    27,788.13/41,629.91 = 13,731.80/x
  3. Step 3: Cross multiply
    27,788.13x = 41,629.91 × 13,731.80
  4. Step 4: Simplify right side
    27,788.13x = 571,653,321.33
  5. Step 5: Solve for x
    x = 571,653,321.33/27,788.13
  6. Step 6: Final answer
    x = 20,571.85

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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.