Home / 21,743.28-32,573.43-11,723.18

Finding the Fourth Proportional to 21,743.28, 32,573.43 and 11,723.18

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Solution

The fourth proportional to 21,743.28, 32,573.43 and 11,723.18 is: 17,562.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,743.28 : 32,573.43 = 11,723.18 : x
  2. Step 2: Convert to fraction form
    21,743.28/32,573.43 = 11,723.18/x
  3. Step 3: Cross multiply
    21,743.28x = 32,573.43 × 11,723.18
  4. Step 4: Simplify right side
    21,743.28x = 381,864,020.24
  5. Step 5: Solve for x
    x = 381,864,020.24/21,743.28
  6. Step 6: Final answer
    x = 17,562.39

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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.