Home / 22,488.80-33,679.20-12,077.60

Finding the Fourth Proportional to 22,488.80, 33,679.20 and 12,077.60

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Solution

The fourth proportional to 22,488.80, 33,679.20 and 12,077.60 is: 18,087.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,488.80 : 33,679.20 = 12,077.60 : x
  2. Step 2: Convert to fraction form
    22,488.80/33,679.20 = 12,077.60/x
  3. Step 3: Cross multiply
    22,488.80x = 33,679.20 × 12,077.60
  4. Step 4: Simplify right side
    22,488.80x = 406,763,905.92
  5. Step 5: Solve for x
    x = 406,763,905.92/22,488.80
  6. Step 6: Final answer
    x = 18,087.40

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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.