Home / 21,936.96-32,910.26-10,243.80

Finding the Fourth Proportional to 21,936.96, 32,910.26 and 10,243.80

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Solution

The fourth proportional to 21,936.96, 32,910.26 and 10,243.80 is: 15,367.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,936.96 : 32,910.26 = 10,243.80 : x
  2. Step 2: Convert to fraction form
    21,936.96/32,910.26 = 10,243.80/x
  3. Step 3: Cross multiply
    21,936.96x = 32,910.26 × 10,243.80
  4. Step 4: Simplify right side
    21,936.96x = 337,126,121.39
  5. Step 5: Solve for x
    x = 337,126,121.39/21,936.96
  6. Step 6: Final answer
    x = 15,367.95

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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.