Home / 20,676.08-28,532.16-11,244.65

Finding the Fourth Proportional to 20,676.08, 28,532.16 and 11,244.65

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Solution

The fourth proportional to 20,676.08, 28,532.16 and 11,244.65 is: 15,517.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,676.08 : 28,532.16 = 11,244.65 : x
  2. Step 2: Convert to fraction form
    20,676.08/28,532.16 = 11,244.65/x
  3. Step 3: Cross multiply
    20,676.08x = 28,532.16 × 11,244.65
  4. Step 4: Simplify right side
    20,676.08x = 320,834,010.28
  5. Step 5: Solve for x
    x = 320,834,010.28/20,676.08
  6. Step 6: Final answer
    x = 15,517.16

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.