Home / 28,464.33-42,691.66-7,682.97

Finding the Fourth Proportional to 28,464.33, 42,691.66 and 7,682.97

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Solution

The fourth proportional to 28,464.33, 42,691.66 and 7,682.97 is: 11,523.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,464.33 : 42,691.66 = 7,682.97 : x
  2. Step 2: Convert to fraction form
    28,464.33/42,691.66 = 7,682.97/x
  3. Step 3: Cross multiply
    28,464.33x = 42,691.66 × 7,682.97
  4. Step 4: Simplify right side
    28,464.33x = 327,998,704.62
  5. Step 5: Solve for x
    x = 327,998,704.62/28,464.33
  6. Step 6: Final answer
    x = 11,523.15

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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.