Home / 27,481.28-41,166.96-12,669.92

Finding the Fourth Proportional to 27,481.28, 41,166.96 and 12,669.92

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Solution

The fourth proportional to 27,481.28, 41,166.96 and 12,669.92 is: 18,979.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,481.28 : 41,166.96 = 12,669.92 : x
  2. Step 2: Convert to fraction form
    27,481.28/41,166.96 = 12,669.92/x
  3. Step 3: Cross multiply
    27,481.28x = 41,166.96 × 12,669.92
  4. Step 4: Simplify right side
    27,481.28x = 521,582,089.84
  5. Step 5: Solve for x
    x = 521,582,089.84/27,481.28
  6. Step 6: Final answer
    x = 18,979.54

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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.