Home / 38,748.76-57,990.42-26,915.88

Finding the Fourth Proportional to 38,748.76, 57,990.42 and 26,915.88

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Solution

The fourth proportional to 38,748.76, 57,990.42 and 26,915.88 is: 40,281.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,748.76 : 57,990.42 = 26,915.88 : x
  2. Step 2: Convert to fraction form
    38,748.76/57,990.42 = 26,915.88/x
  3. Step 3: Cross multiply
    38,748.76x = 57,990.42 × 26,915.88
  4. Step 4: Simplify right side
    38,748.76x = 1,560,863,185.87
  5. Step 5: Solve for x
    x = 1,560,863,185.87/38,748.76
  6. Step 6: Final answer
    x = 40,281.63

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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.