Home / 22,672.20-34,008.30-20,209.80

Finding the Fourth Proportional to 22,672.20, 34,008.30 and 20,209.80

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Solution

The fourth proportional to 22,672.20, 34,008.30 and 20,209.80 is: 30,314.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,672.20 : 34,008.30 = 20,209.80 : x
  2. Step 2: Convert to fraction form
    22,672.20/34,008.30 = 20,209.80/x
  3. Step 3: Cross multiply
    22,672.20x = 34,008.30 × 20,209.80
  4. Step 4: Simplify right side
    22,672.20x = 687,300,941.34
  5. Step 5: Solve for x
    x = 687,300,941.34/22,672.20
  6. Step 6: Final answer
    x = 30,314.70

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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.