Home / 27,076.21-40,610.20-9,309.56

Finding the Fourth Proportional to 27,076.21, 40,610.20 and 9,309.56

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Solution

The fourth proportional to 27,076.21, 40,610.20 and 9,309.56 is: 13,962.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,076.21 : 40,610.20 = 9,309.56 : x
  2. Step 2: Convert to fraction form
    27,076.21/40,610.20 = 9,309.56/x
  3. Step 3: Cross multiply
    27,076.21x = 40,610.20 × 9,309.56
  4. Step 4: Simplify right side
    27,076.21x = 378,063,046.96
  5. Step 5: Solve for x
    x = 378,063,046.96/27,076.21
  6. Step 6: Final answer
    x = 13,962.93

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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.