Home / 21,626.02-32,380.39-11,215.90

Finding the Fourth Proportional to 21,626.02, 32,380.39 and 11,215.90

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Solution

The fourth proportional to 21,626.02, 32,380.39 and 11,215.90 is: 16,793.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,626.02 : 32,380.39 = 11,215.90 : x
  2. Step 2: Convert to fraction form
    21,626.02/32,380.39 = 11,215.90/x
  3. Step 3: Cross multiply
    21,626.02x = 32,380.39 × 11,215.90
  4. Step 4: Simplify right side
    21,626.02x = 363,175,216.20
  5. Step 5: Solve for x
    x = 363,175,216.20/21,626.02
  6. Step 6: Final answer
    x = 16,793.44

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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.