Home / 22,078.84-33,115.20-7,286.08

Finding the Fourth Proportional to 22,078.84, 33,115.20 and 7,286.08

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Solution

The fourth proportional to 22,078.84, 33,115.20 and 7,286.08 is: 10,928.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,078.84 : 33,115.20 = 7,286.08 : x
  2. Step 2: Convert to fraction form
    22,078.84/33,115.20 = 7,286.08/x
  3. Step 3: Cross multiply
    22,078.84x = 33,115.20 × 7,286.08
  4. Step 4: Simplify right side
    22,078.84x = 241,279,996.42
  5. Step 5: Solve for x
    x = 241,279,996.42/22,078.84
  6. Step 6: Final answer
    x = 10,928.11

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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.