Home / 21,644.04-32,452.92-8,480.64

Finding the Fourth Proportional to 21,644.04, 32,452.92 and 8,480.64

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Solution

The fourth proportional to 21,644.04, 32,452.92 and 8,480.64 is: 12,715.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,644.04 : 32,452.92 = 8,480.64 : x
  2. Step 2: Convert to fraction form
    21,644.04/32,452.92 = 8,480.64/x
  3. Step 3: Cross multiply
    21,644.04x = 32,452.92 × 8,480.64
  4. Step 4: Simplify right side
    21,644.04x = 275,221,531.47
  5. Step 5: Solve for x
    x = 275,221,531.47/21,644.04
  6. Step 6: Final answer
    x = 12,715.81

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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.