Home / 18,704.56-28,073.22-15,784.96

Finding the Fourth Proportional to 18,704.56, 28,073.22 and 15,784.96

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Solution

The fourth proportional to 18,704.56, 28,073.22 and 15,784.96 is: 23,691.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,704.56 : 28,073.22 = 15,784.96 : x
  2. Step 2: Convert to fraction form
    18,704.56/28,073.22 = 15,784.96/x
  3. Step 3: Cross multiply
    18,704.56x = 28,073.22 × 15,784.96
  4. Step 4: Simplify right side
    18,704.56x = 443,134,654.77
  5. Step 5: Solve for x
    x = 443,134,654.77/18,704.56
  6. Step 6: Final answer
    x = 23,691.26

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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.