Home / 57,383.97-86,072.61-25,785.87

Finding the Fourth Proportional to 57,383.97, 86,072.61 and 25,785.87

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Solution

The fourth proportional to 57,383.97, 86,072.61 and 25,785.87 is: 38,677.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,383.97 : 86,072.61 = 25,785.87 : x
  2. Step 2: Convert to fraction form
    57,383.97/86,072.61 = 25,785.87/x
  3. Step 3: Cross multiply
    57,383.97x = 86,072.61 × 25,785.87
  4. Step 4: Simplify right side
    57,383.97x = 2,219,457,132.02
  5. Step 5: Solve for x
    x = 2,219,457,132.02/57,383.97
  6. Step 6: Final answer
    x = 38,677.30

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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.