Home / 22,308.80-33,470.40-14,921.60

Finding the Fourth Proportional to 22,308.80, 33,470.40 and 14,921.60

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Solution

The fourth proportional to 22,308.80, 33,470.40 and 14,921.60 is: 22,387.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,308.80 : 33,470.40 = 14,921.60 : x
  2. Step 2: Convert to fraction form
    22,308.80/33,470.40 = 14,921.60/x
  3. Step 3: Cross multiply
    22,308.80x = 33,470.40 × 14,921.60
  4. Step 4: Simplify right side
    22,308.80x = 499,431,920.64
  5. Step 5: Solve for x
    x = 499,431,920.64/22,308.80
  6. Step 6: Final answer
    x = 22,387.22

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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.