Home / 22,279.20-33,427.80-9,801.60

Finding the Fourth Proportional to 22,279.20, 33,427.80 and 9,801.60

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Solution

The fourth proportional to 22,279.20, 33,427.80 and 9,801.60 is: 14,706.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,279.20 : 33,427.80 = 9,801.60 : x
  2. Step 2: Convert to fraction form
    22,279.20/33,427.80 = 9,801.60/x
  3. Step 3: Cross multiply
    22,279.20x = 33,427.80 × 9,801.60
  4. Step 4: Simplify right side
    22,279.20x = 327,645,924.48
  5. Step 5: Solve for x
    x = 327,645,924.48/22,279.20
  6. Step 6: Final answer
    x = 14,706.36

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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.