Home / 28,841.91-43,236.94-11,324.31

Finding the Fourth Proportional to 28,841.91, 43,236.94 and 11,324.31

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Solution

The fourth proportional to 28,841.91, 43,236.94 and 11,324.31 is: 16,976.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,841.91 : 43,236.94 = 11,324.31 : x
  2. Step 2: Convert to fraction form
    28,841.91/43,236.94 = 11,324.31/x
  3. Step 3: Cross multiply
    28,841.91x = 43,236.94 × 11,324.31
  4. Step 4: Simplify right side
    28,841.91x = 489,628,512.01
  5. Step 5: Solve for x
    x = 489,628,512.01/28,841.91
  6. Step 6: Final answer
    x = 16,976.29

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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.