Home / 21,359.52-32,033.22-8,864.09

Finding the Fourth Proportional to 21,359.52, 32,033.22 and 8,864.09

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Solution

The fourth proportional to 21,359.52, 32,033.22 and 8,864.09 is: 13,293.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,359.52 : 32,033.22 = 8,864.09 : x
  2. Step 2: Convert to fraction form
    21,359.52/32,033.22 = 8,864.09/x
  3. Step 3: Cross multiply
    21,359.52x = 32,033.22 × 8,864.09
  4. Step 4: Simplify right side
    21,359.52x = 283,945,184.90
  5. Step 5: Solve for x
    x = 283,945,184.90/21,359.52
  6. Step 6: Final answer
    x = 13,293.61

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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.