Home / 22,040.80-33,061.20-13,271.20

Finding the Fourth Proportional to 22,040.80, 33,061.20 and 13,271.20

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Solution

The fourth proportional to 22,040.80, 33,061.20 and 13,271.20 is: 19,906.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,040.80 : 33,061.20 = 13,271.20 : x
  2. Step 2: Convert to fraction form
    22,040.80/33,061.20 = 13,271.20/x
  3. Step 3: Cross multiply
    22,040.80x = 33,061.20 × 13,271.20
  4. Step 4: Simplify right side
    22,040.80x = 438,761,797.44
  5. Step 5: Solve for x
    x = 438,761,797.44/22,040.80
  6. Step 6: Final answer
    x = 19,906.80

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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.