Home / 27,903.96-41,857.38-7,127.64

Finding the Fourth Proportional to 27,903.96, 41,857.38 and 7,127.64

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Solution

The fourth proportional to 27,903.96, 41,857.38 and 7,127.64 is: 10,691.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,903.96 : 41,857.38 = 7,127.64 : x
  2. Step 2: Convert to fraction form
    27,903.96/41,857.38 = 7,127.64/x
  3. Step 3: Cross multiply
    27,903.96x = 41,857.38 × 7,127.64
  4. Step 4: Simplify right side
    27,903.96x = 298,344,335.98
  5. Step 5: Solve for x
    x = 298,344,335.98/27,903.96
  6. Step 6: Final answer
    x = 10,691.83

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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.