Home / 27,128.76-40,877.97-22,306.42

Finding the Fourth Proportional to 27,128.76, 40,877.97 and 22,306.42

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Solution

The fourth proportional to 27,128.76, 40,877.97 and 22,306.42 is: 33,611.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,128.76 : 40,877.97 = 22,306.42 : x
  2. Step 2: Convert to fraction form
    27,128.76/40,877.97 = 22,306.42/x
  3. Step 3: Cross multiply
    27,128.76x = 40,877.97 × 22,306.42
  4. Step 4: Simplify right side
    27,128.76x = 911,841,167.57
  5. Step 5: Solve for x
    x = 911,841,167.57/27,128.76
  6. Step 6: Final answer
    x = 33,611.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.