Home / 28,697.91-43,046.87-8,976.57

Finding the Fourth Proportional to 28,697.91, 43,046.87 and 8,976.57

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Solution

The fourth proportional to 28,697.91, 43,046.87 and 8,976.57 is: 13,464.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,697.91 : 43,046.87 = 8,976.57 : x
  2. Step 2: Convert to fraction form
    28,697.91/43,046.87 = 8,976.57/x
  3. Step 3: Cross multiply
    28,697.91x = 43,046.87 × 8,976.57
  4. Step 4: Simplify right side
    28,697.91x = 386,413,196.95
  5. Step 5: Solve for x
    x = 386,413,196.95/28,697.91
  6. Step 6: Final answer
    x = 13,464.86

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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.