Home / 21,561.68-32,344.44-15,663.44

Finding the Fourth Proportional to 21,561.68, 32,344.44 and 15,663.44

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Solution

The fourth proportional to 21,561.68, 32,344.44 and 15,663.44 is: 23,496.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,561.68 : 32,344.44 = 15,663.44 : x
  2. Step 2: Convert to fraction form
    21,561.68/32,344.44 = 15,663.44/x
  3. Step 3: Cross multiply
    21,561.68x = 32,344.44 × 15,663.44
  4. Step 4: Simplify right side
    21,561.68x = 506,625,195.27
  5. Step 5: Solve for x
    x = 506,625,195.27/21,561.68
  6. Step 6: Final answer
    x = 23,496.55

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1.5x scale

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.