Home / 22,152.12-32,981.08-21,841.90

Finding the Fourth Proportional to 22,152.12, 32,981.08 and 21,841.90

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Solution

The fourth proportional to 22,152.12, 32,981.08 and 21,841.90 is: 32,519.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,152.12 : 32,981.08 = 21,841.90 : x
  2. Step 2: Convert to fraction form
    22,152.12/32,981.08 = 21,841.90/x
  3. Step 3: Cross multiply
    22,152.12x = 32,981.08 × 21,841.90
  4. Step 4: Simplify right side
    22,152.12x = 720,369,451.25
  5. Step 5: Solve for x
    x = 720,369,451.25/22,152.12
  6. Step 6: Final answer
    x = 32,519.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.