Home / 57,517.15-86,278.65-18,074.65

Finding the Fourth Proportional to 57,517.15, 86,278.65 and 18,074.65

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Solution

The fourth proportional to 57,517.15, 86,278.65 and 18,074.65 is: 27,112.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,517.15 : 86,278.65 = 18,074.65 : x
  2. Step 2: Convert to fraction form
    57,517.15/86,278.65 = 18,074.65/x
  3. Step 3: Cross multiply
    57,517.15x = 86,278.65 × 18,074.65
  4. Step 4: Simplify right side
    57,517.15x = 1,559,456,401.22
  5. Step 5: Solve for x
    x = 1,559,456,401.22/57,517.15
  6. Step 6: Final answer
    x = 27,112.89

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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.