Home / 28,974.31-43,456.32-13,175.62

Finding the Fourth Proportional to 28,974.31, 43,456.32 and 13,175.62

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Solution

The fourth proportional to 28,974.31, 43,456.32 and 13,175.62 is: 19,761.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,974.31 : 43,456.32 = 13,175.62 : x
  2. Step 2: Convert to fraction form
    28,974.31/43,456.32 = 13,175.62/x
  3. Step 3: Cross multiply
    28,974.31x = 43,456.32 × 13,175.62
  4. Step 4: Simplify right side
    28,974.31x = 572,563,850.28
  5. Step 5: Solve for x
    x = 572,563,850.28/28,974.31
  6. Step 6: Final answer
    x = 19,761.09

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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.