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Finding the Fourth Proportional to 27,812.52, 41,718.42 and 6,752.73

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Solution

The fourth proportional to 27,812.52, 41,718.42 and 6,752.73 is: 10,129.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,812.52 : 41,718.42 = 6,752.73 : x
  2. Step 2: Convert to fraction form
    27,812.52/41,718.42 = 6,752.73/x
  3. Step 3: Cross multiply
    27,812.52x = 41,718.42 × 6,752.73
  4. Step 4: Simplify right side
    27,812.52x = 281,713,226.29
  5. Step 5: Solve for x
    x = 281,713,226.29/27,812.52
  6. Step 6: Final answer
    x = 10,129.01

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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.