Home / 21,741.62-32,760.52-17,879.39

Finding the Fourth Proportional to 21,741.62, 32,760.52 and 17,879.39

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Solution

The fourth proportional to 21,741.62, 32,760.52 and 17,879.39 is: 26,940.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,741.62 : 32,760.52 = 17,879.39 : x
  2. Step 2: Convert to fraction form
    21,741.62/32,760.52 = 17,879.39/x
  3. Step 3: Cross multiply
    21,741.62x = 32,760.52 × 17,879.39
  4. Step 4: Simplify right side
    21,741.62x = 585,738,113.68
  5. Step 5: Solve for x
    x = 585,738,113.68/21,741.62
  6. Step 6: Final answer
    x = 26,940.87

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.