Home / 21,697.28-32,523.90-8,558.96

Finding the Fourth Proportional to 21,697.28, 32,523.90 and 8,558.96

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Solution

The fourth proportional to 21,697.28, 32,523.90 and 8,558.96 is: 12,829.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,697.28 : 32,523.90 = 8,558.96 : x
  2. Step 2: Convert to fraction form
    21,697.28/32,523.90 = 8,558.96/x
  3. Step 3: Cross multiply
    21,697.28x = 32,523.90 × 8,558.96
  4. Step 4: Simplify right side
    21,697.28x = 278,370,759.14
  5. Step 5: Solve for x
    x = 278,370,759.14/21,697.28
  6. Step 6: Final answer
    x = 12,829.75

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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.