Home / 21,723.66-32,608.54-19,240.97

Finding the Fourth Proportional to 21,723.66, 32,608.54 and 19,240.97

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Solution

The fourth proportional to 21,723.66, 32,608.54 and 19,240.97 is: 28,881.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,723.66 : 32,608.54 = 19,240.97 : x
  2. Step 2: Convert to fraction form
    21,723.66/32,608.54 = 19,240.97/x
  3. Step 3: Cross multiply
    21,723.66x = 32,608.54 × 19,240.97
  4. Step 4: Simplify right side
    21,723.66x = 627,419,939.88
  5. Step 5: Solve for x
    x = 627,419,939.88/21,723.66
  6. Step 6: Final answer
    x = 28,881.87

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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.