Home / 21,766.57-32,652.21-9,287.92

Finding the Fourth Proportional to 21,766.57, 32,652.21 and 9,287.92

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Solution

The fourth proportional to 21,766.57, 32,652.21 and 9,287.92 is: 13,932.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,766.57 : 32,652.21 = 9,287.92 : x
  2. Step 2: Convert to fraction form
    21,766.57/32,652.21 = 9,287.92/x
  3. Step 3: Cross multiply
    21,766.57x = 32,652.21 × 9,287.92
  4. Step 4: Simplify right side
    21,766.57x = 303,271,114.30
  5. Step 5: Solve for x
    x = 303,271,114.30/21,766.57
  6. Step 6: Final answer
    x = 13,932.88

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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.