Home / 21,446.03-32,181.68-8,965.09

Finding the Fourth Proportional to 21,446.03, 32,181.68 and 8,965.09

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Solution

The fourth proportional to 21,446.03, 32,181.68 and 8,965.09 is: 13,452.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,446.03 : 32,181.68 = 8,965.09 : x
  2. Step 2: Convert to fraction form
    21,446.03/32,181.68 = 8,965.09/x
  3. Step 3: Cross multiply
    21,446.03x = 32,181.68 × 8,965.09
  4. Step 4: Simplify right side
    21,446.03x = 288,511,532.27
  5. Step 5: Solve for x
    x = 288,511,532.27/21,446.03
  6. Step 6: Final answer
    x = 13,452.91

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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.