Home / 22,175.12-30,542.16-19,191.04

Finding the Fourth Proportional to 22,175.12, 30,542.16 and 19,191.04

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Solution

The fourth proportional to 22,175.12, 30,542.16 and 19,191.04 is: 26,432.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,175.12 : 30,542.16 = 19,191.04 : x
  2. Step 2: Convert to fraction form
    22,175.12/30,542.16 = 19,191.04/x
  3. Step 3: Cross multiply
    22,175.12x = 30,542.16 × 19,191.04
  4. Step 4: Simplify right side
    22,175.12x = 586,135,814.25
  5. Step 5: Solve for x
    x = 586,135,814.25/22,175.12
  6. Step 6: Final answer
    x = 26,432.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.