Home / 22,728.20-34,092.59-12,868.47

Finding the Fourth Proportional to 22,728.20, 34,092.59 and 12,868.47

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Solution

The fourth proportional to 22,728.20, 34,092.59 and 12,868.47 is: 19,302.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,728.20 : 34,092.59 = 12,868.47 : x
  2. Step 2: Convert to fraction form
    22,728.20/34,092.59 = 12,868.47/x
  3. Step 3: Cross multiply
    22,728.20x = 34,092.59 × 12,868.47
  4. Step 4: Simplify right side
    22,728.20x = 438,719,407.29
  5. Step 5: Solve for x
    x = 438,719,407.29/22,728.20
  6. Step 6: Final answer
    x = 19,302.87

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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.