Home / 28,951.88-43,435.13-8,175.38

Finding the Fourth Proportional to 28,951.88, 43,435.13 and 8,175.38

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Solution

The fourth proportional to 28,951.88, 43,435.13 and 8,175.38 is: 12,265.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,951.88 : 43,435.13 = 8,175.38 : x
  2. Step 2: Convert to fraction form
    28,951.88/43,435.13 = 8,175.38/x
  3. Step 3: Cross multiply
    28,951.88x = 43,435.13 × 8,175.38
  4. Step 4: Simplify right side
    28,951.88x = 355,098,435.05
  5. Step 5: Solve for x
    x = 355,098,435.05/28,951.88
  6. Step 6: Final answer
    x = 12,265.13

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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.