Home / 37,128.80-55,711.60-17,408.88

Finding the Fourth Proportional to 37,128.80, 55,711.60 and 17,408.88

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Solution

The fourth proportional to 37,128.80, 55,711.60 and 17,408.88 is: 26,121.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,128.80 : 55,711.60 = 17,408.88 : x
  2. Step 2: Convert to fraction form
    37,128.80/55,711.60 = 17,408.88/x
  3. Step 3: Cross multiply
    37,128.80x = 55,711.60 × 17,408.88
  4. Step 4: Simplify right side
    37,128.80x = 969,876,515.49
  5. Step 5: Solve for x
    x = 969,876,515.49/37,128.80
  6. Step 6: Final answer
    x = 26,121.94

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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.