Home / 21,769.16-32,629.83-11,239.97

Finding the Fourth Proportional to 21,769.16, 32,629.83 and 11,239.97

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Solution

The fourth proportional to 21,769.16, 32,629.83 and 11,239.97 is: 16,847.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,769.16 : 32,629.83 = 11,239.97 : x
  2. Step 2: Convert to fraction form
    21,769.16/32,629.83 = 11,239.97/x
  3. Step 3: Cross multiply
    21,769.16x = 32,629.83 × 11,239.97
  4. Step 4: Simplify right side
    21,769.16x = 366,758,147.16
  5. Step 5: Solve for x
    x = 366,758,147.16/21,769.16
  6. Step 6: Final answer
    x = 16,847.61

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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.