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Finding the Fourth Proportional to 27,903.64, 41,855.46 and 7,127.14

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Solution

The fourth proportional to 27,903.64, 41,855.46 and 7,127.14 is: 10,690.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,903.64 : 41,855.46 = 7,127.14 : x
  2. Step 2: Convert to fraction form
    27,903.64/41,855.46 = 7,127.14/x
  3. Step 3: Cross multiply
    27,903.64x = 41,855.46 × 7,127.14
  4. Step 4: Simplify right side
    27,903.64x = 298,309,723.18
  5. Step 5: Solve for x
    x = 298,309,723.18/27,903.64
  6. Step 6: Final answer
    x = 10,690.71

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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.