Home / 27,845.31-41,777.54-8,126.78

Finding the Fourth Proportional to 27,845.31, 41,777.54 and 8,126.78

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Solution

The fourth proportional to 27,845.31, 41,777.54 and 8,126.78 is: 12,192.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,845.31 : 41,777.54 = 8,126.78 : x
  2. Step 2: Convert to fraction form
    27,845.31/41,777.54 = 8,126.78/x
  3. Step 3: Cross multiply
    27,845.31x = 41,777.54 × 8,126.78
  4. Step 4: Simplify right side
    27,845.31x = 339,516,657.48
  5. Step 5: Solve for x
    x = 339,516,657.48/27,845.31
  6. Step 6: Final answer
    x = 12,192.95

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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.