Home / 22,040.40-33,020.10-10,327.80

Finding the Fourth Proportional to 22,040.40, 33,020.10 and 10,327.80

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Solution

The fourth proportional to 22,040.40, 33,020.10 and 10,327.80 is: 15,472.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,040.40 : 33,020.10 = 10,327.80 : x
  2. Step 2: Convert to fraction form
    22,040.40/33,020.10 = 10,327.80/x
  3. Step 3: Cross multiply
    22,040.40x = 33,020.10 × 10,327.80
  4. Step 4: Simplify right side
    22,040.40x = 341,024,988.78
  5. Step 5: Solve for x
    x = 341,024,988.78/22,040.40
  6. Step 6: Final answer
    x = 15,472.72

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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.