Home / 28,863.42-43,294.66-9,141.96

Finding the Fourth Proportional to 28,863.42, 43,294.66 and 9,141.96

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Solution

The fourth proportional to 28,863.42, 43,294.66 and 9,141.96 is: 13,712.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,863.42 : 43,294.66 = 9,141.96 : x
  2. Step 2: Convert to fraction form
    28,863.42/43,294.66 = 9,141.96/x
  3. Step 3: Cross multiply
    28,863.42x = 43,294.66 × 9,141.96
  4. Step 4: Simplify right side
    28,863.42x = 395,798,049.93
  5. Step 5: Solve for x
    x = 395,798,049.93/28,863.42
  6. Step 6: Final answer
    x = 13,712.79

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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.