Home / 22,288.80-33,433.20-19,869.60

Finding the Fourth Proportional to 22,288.80, 33,433.20 and 19,869.60

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Solution

The fourth proportional to 22,288.80, 33,433.20 and 19,869.60 is: 29,804.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,288.80 : 33,433.20 = 19,869.60 : x
  2. Step 2: Convert to fraction form
    22,288.80/33,433.20 = 19,869.60/x
  3. Step 3: Cross multiply
    22,288.80x = 33,433.20 × 19,869.60
  4. Step 4: Simplify right side
    22,288.80x = 664,304,310.72
  5. Step 5: Solve for x
    x = 664,304,310.72/22,288.80
  6. Step 6: Final answer
    x = 29,804.40

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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.