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Finding the Fourth Proportional to 21,581.22, 32,372.04 and 6,000.06

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Solution

The fourth proportional to 21,581.22, 32,372.04 and 6,000.06 is: 9,000.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,581.22 : 32,372.04 = 6,000.06 : x
  2. Step 2: Convert to fraction form
    21,581.22/32,372.04 = 6,000.06/x
  3. Step 3: Cross multiply
    21,581.22x = 32,372.04 × 6,000.06
  4. Step 4: Simplify right side
    21,581.22x = 194,234,182.32
  5. Step 5: Solve for x
    x = 194,234,182.32/21,581.22
  6. Step 6: Final answer
    x = 9,000.15

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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.