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Finding the Fourth Proportional to 57,884.67, 86,765.45 and 27,880.20

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Solution

The fourth proportional to 57,884.67, 86,765.45 and 27,880.20 is: 41,790.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,884.67 : 86,765.45 = 27,880.20 : x
  2. Step 2: Convert to fraction form
    57,884.67/86,765.45 = 27,880.20/x
  3. Step 3: Cross multiply
    57,884.67x = 86,765.45 × 27,880.20
  4. Step 4: Simplify right side
    57,884.67x = 2,419,037,959.69
  5. Step 5: Solve for x
    x = 2,419,037,959.69/57,884.67
  6. Step 6: Final answer
    x = 41,790.65

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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.