Home / 22,385.20-33,642.60-21,996.40

Finding the Fourth Proportional to 22,385.20, 33,642.60 and 21,996.40

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Solution

The fourth proportional to 22,385.20, 33,642.60 and 21,996.40 is: 33,058.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,385.20 : 33,642.60 = 21,996.40 : x
  2. Step 2: Convert to fraction form
    22,385.20/33,642.60 = 21,996.40/x
  3. Step 3: Cross multiply
    22,385.20x = 33,642.60 × 21,996.40
  4. Step 4: Simplify right side
    22,385.20x = 740,016,086.64
  5. Step 5: Solve for x
    x = 740,016,086.64/22,385.20
  6. Step 6: Final answer
    x = 33,058.27

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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.