Home / 38,343.60-57,515.40-14,986.44

Finding the Fourth Proportional to 38,343.60, 57,515.40 and 14,986.44

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Solution

The fourth proportional to 38,343.60, 57,515.40 and 14,986.44 is: 22,479.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,343.60 : 57,515.40 = 14,986.44 : x
  2. Step 2: Convert to fraction form
    38,343.60/57,515.40 = 14,986.44/x
  3. Step 3: Cross multiply
    38,343.60x = 57,515.40 × 14,986.44
  4. Step 4: Simplify right side
    38,343.60x = 861,951,091.18
  5. Step 5: Solve for x
    x = 861,951,091.18/38,343.60
  6. Step 6: Final answer
    x = 22,479.66

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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.