Home / 22,998.20-31,731.75-14,042.43

Finding the Fourth Proportional to 22,998.20, 31,731.75 and 14,042.43

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Solution

The fourth proportional to 22,998.20, 31,731.75 and 14,042.43 is: 19,375.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,998.20 : 31,731.75 = 14,042.43 : x
  2. Step 2: Convert to fraction form
    22,998.20/31,731.75 = 14,042.43/x
  3. Step 3: Cross multiply
    22,998.20x = 31,731.75 × 14,042.43
  4. Step 4: Simplify right side
    22,998.20x = 445,590,878.15
  5. Step 5: Solve for x
    x = 445,590,878.15/22,998.20
  6. Step 6: Final answer
    x = 19,375.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.