Home / 36,445.73-54,668.57-28,137.87

Finding the Fourth Proportional to 36,445.73, 54,668.57 and 28,137.87

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Solution

The fourth proportional to 36,445.73, 54,668.57 and 28,137.87 is: 42,206.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,445.73 : 54,668.57 = 28,137.87 : x
  2. Step 2: Convert to fraction form
    36,445.73/54,668.57 = 28,137.87/x
  3. Step 3: Cross multiply
    36,445.73x = 54,668.57 × 28,137.87
  4. Step 4: Simplify right side
    36,445.73x = 1,538,256,975.06
  5. Step 5: Solve for x
    x = 1,538,256,975.06/36,445.73
  6. Step 6: Final answer
    x = 42,206.79

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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.