Home / 28,837.08-43,251.30-11,318.94

Finding the Fourth Proportional to 28,837.08, 43,251.30 and 11,318.94

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Solution

The fourth proportional to 28,837.08, 43,251.30 and 11,318.94 is: 16,976.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,837.08 : 43,251.30 = 11,318.94 : x
  2. Step 2: Convert to fraction form
    28,837.08/43,251.30 = 11,318.94/x
  3. Step 3: Cross multiply
    28,837.08x = 43,251.30 × 11,318.94
  4. Step 4: Simplify right side
    28,837.08x = 489,558,869.62
  5. Step 5: Solve for x
    x = 489,558,869.62/28,837.08
  6. Step 6: Final answer
    x = 16,976.71

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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.