Home / 21,444.30-32,175.26-8,966.96

Finding the Fourth Proportional to 21,444.30, 32,175.26 and 8,966.96

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Solution

The fourth proportional to 21,444.30, 32,175.26 and 8,966.96 is: 13,454.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,444.30 : 32,175.26 = 8,966.96 : x
  2. Step 2: Convert to fraction form
    21,444.30/32,175.26 = 8,966.96/x
  3. Step 3: Cross multiply
    21,444.30x = 32,175.26 × 8,966.96
  4. Step 4: Simplify right side
    21,444.30x = 288,514,063.70
  5. Step 5: Solve for x
    x = 288,514,063.70/21,444.30
  6. Step 6: Final answer
    x = 13,454.11

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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.