Home / 36,629.76-54,873.60-28,800

Finding the Fourth Proportional to 36,629.76, 54,873.60 and 28,800

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Solution

The fourth proportional to 36,629.76, 54,873.60 and 28,800 is: 43,144.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,629.76 : 54,873.60 = 28,800 : x
  2. Step 2: Convert to fraction form
    36,629.76/54,873.60 = 28,800/x
  3. Step 3: Cross multiply
    36,629.76x = 54,873.60 × 28,800
  4. Step 4: Simplify right side
    36,629.76x = 1,580,359,680
  5. Step 5: Solve for x
    x = 1,580,359,680/36,629.76
  6. Step 6: Final answer
    x = 43,144.15

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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.