Home / 36,286.20-54,429.30-28,850.40

Finding the Fourth Proportional to 36,286.20, 54,429.30 and 28,850.40

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Solution

The fourth proportional to 36,286.20, 54,429.30 and 28,850.40 is: 43,275.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,286.20 : 54,429.30 = 28,850.40 : x
  2. Step 2: Convert to fraction form
    36,286.20/54,429.30 = 28,850.40/x
  3. Step 3: Cross multiply
    36,286.20x = 54,429.30 × 28,850.40
  4. Step 4: Simplify right side
    36,286.20x = 1,570,307,076.72
  5. Step 5: Solve for x
    x = 1,570,307,076.72/36,286.20
  6. Step 6: Final answer
    x = 43,275.60

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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.