Home / 27,691.20-41,509.80-15,832.80

Finding the Fourth Proportional to 27,691.20, 41,509.80 and 15,832.80

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Solution

The fourth proportional to 27,691.20, 41,509.80 and 15,832.80 is: 23,733.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,691.20 : 41,509.80 = 15,832.80 : x
  2. Step 2: Convert to fraction form
    27,691.20/41,509.80 = 15,832.80/x
  3. Step 3: Cross multiply
    27,691.20x = 41,509.80 × 15,832.80
  4. Step 4: Simplify right side
    27,691.20x = 657,216,361.44
  5. Step 5: Solve for x
    x = 657,216,361.44/27,691.20
  6. Step 6: Final answer
    x = 23,733.76

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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.