Home / 67,627.60-101,441.40-28,171.60

Finding the Fourth Proportional to 67,627.60, 101,441.40 and 28,171.60

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Solution

The fourth proportional to 67,627.60, 101,441.40 and 28,171.60 is: 42,257.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,627.60 : 101,441.40 = 28,171.60 : x
  2. Step 2: Convert to fraction form
    67,627.60/101,441.40 = 28,171.60/x
  3. Step 3: Cross multiply
    67,627.60x = 101,441.40 × 28,171.60
  4. Step 4: Simplify right side
    67,627.60x = 2,857,766,544.24
  5. Step 5: Solve for x
    x = 2,857,766,544.24/67,627.60
  6. Step 6: Final answer
    x = 42,257.40

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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.