Home / 21,929.27-32,879.32-12,073.19

Finding the Fourth Proportional to 21,929.27, 32,879.32 and 12,073.19

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Solution

The fourth proportional to 21,929.27, 32,879.32 and 12,073.19 is: 18,101.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,929.27 : 32,879.32 = 12,073.19 : x
  2. Step 2: Convert to fraction form
    21,929.27/32,879.32 = 12,073.19/x
  3. Step 3: Cross multiply
    21,929.27x = 32,879.32 × 12,073.19
  4. Step 4: Simplify right side
    21,929.27x = 396,958,082.85
  5. Step 5: Solve for x
    x = 396,958,082.85/21,929.27
  6. Step 6: Final answer
    x = 18,101.75

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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.