Home / 21,844.91-32,769.48-8,694.20

Finding the Fourth Proportional to 21,844.91, 32,769.48 and 8,694.20

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Solution

The fourth proportional to 21,844.91, 32,769.48 and 8,694.20 is: 13,042.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,844.91 : 32,769.48 = 8,694.20 : x
  2. Step 2: Convert to fraction form
    21,844.91/32,769.48 = 8,694.20/x
  3. Step 3: Cross multiply
    21,844.91x = 32,769.48 × 8,694.20
  4. Step 4: Simplify right side
    21,844.91x = 284,904,249.17
  5. Step 5: Solve for x
    x = 284,904,249.17/21,844.91
  6. Step 6: Final answer
    x = 13,042.14

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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.