Home / 21,500.25-32,242.09-8,350.89

Finding the Fourth Proportional to 21,500.25, 32,242.09 and 8,350.89

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Solution

The fourth proportional to 21,500.25, 32,242.09 and 8,350.89 is: 12,523.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,500.25 : 32,242.09 = 8,350.89 : x
  2. Step 2: Convert to fraction form
    21,500.25/32,242.09 = 8,350.89/x
  3. Step 3: Cross multiply
    21,500.25x = 32,242.09 × 8,350.89
  4. Step 4: Simplify right side
    21,500.25x = 269,250,146.96
  5. Step 5: Solve for x
    x = 269,250,146.96/21,500.25
  6. Step 6: Final answer
    x = 12,523.12

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1.5x scale

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.