Home / 22,000.20-32,981.10-13,225.80

Finding the Fourth Proportional to 22,000.20, 32,981.10 and 13,225.80

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Solution

The fourth proportional to 22,000.20, 32,981.10 and 13,225.80 is: 19,827.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,000.20 : 32,981.10 = 13,225.80 : x
  2. Step 2: Convert to fraction form
    22,000.20/32,981.10 = 13,225.80/x
  3. Step 3: Cross multiply
    22,000.20x = 32,981.10 × 13,225.80
  4. Step 4: Simplify right side
    22,000.20x = 436,201,432.38
  5. Step 5: Solve for x
    x = 436,201,432.38/22,000.20
  6. Step 6: Final answer
    x = 19,827.16

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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.