Home / 27,422.05-41,100-12,610.66

Finding the Fourth Proportional to 27,422.05, 41,100 and 12,610.66

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Solution

The fourth proportional to 27,422.05, 41,100 and 12,610.66 is: 18,900.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,422.05 : 41,100 = 12,610.66 : x
  2. Step 2: Convert to fraction form
    27,422.05/41,100 = 12,610.66/x
  3. Step 3: Cross multiply
    27,422.05x = 41,100 × 12,610.66
  4. Step 4: Simplify right side
    27,422.05x = 518,298,126
  5. Step 5: Solve for x
    x = 518,298,126/27,422.05
  6. Step 6: Final answer
    x = 18,900.78

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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.