Home / 37,635.76-51,951.96-28,231.68

Finding the Fourth Proportional to 37,635.76, 51,951.96 and 28,231.68

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Solution

The fourth proportional to 37,635.76, 51,951.96 and 28,231.68 is: 38,970.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,635.76 : 51,951.96 = 28,231.68 : x
  2. Step 2: Convert to fraction form
    37,635.76/51,951.96 = 28,231.68/x
  3. Step 3: Cross multiply
    37,635.76x = 51,951.96 × 28,231.68
  4. Step 4: Simplify right side
    37,635.76x = 1,466,691,110.09
  5. Step 5: Solve for x
    x = 1,466,691,110.09/37,635.76
  6. Step 6: Final answer
    x = 38,970.68

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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.