Home / 28,704.96-43,077.12-11,174.88

Finding the Fourth Proportional to 28,704.96, 43,077.12 and 11,174.88

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Solution

The fourth proportional to 28,704.96, 43,077.12 and 11,174.88 is: 16,769.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,704.96 : 43,077.12 = 11,174.88 : x
  2. Step 2: Convert to fraction form
    28,704.96/43,077.12 = 11,174.88/x
  3. Step 3: Cross multiply
    28,704.96x = 43,077.12 × 11,174.88
  4. Step 4: Simplify right side
    28,704.96x = 481,381,646.75
  5. Step 5: Solve for x
    x = 481,381,646.75/28,704.96
  6. Step 6: Final answer
    x = 16,769.98

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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.