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Finding the Fourth Proportional to 27,809.43, 41,713.77 and 6,749.64

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Solution

The fourth proportional to 27,809.43, 41,713.77 and 6,749.64 is: 10,124.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,809.43 : 41,713.77 = 6,749.64 : x
  2. Step 2: Convert to fraction form
    27,809.43/41,713.77 = 6,749.64/x
  3. Step 3: Cross multiply
    27,809.43x = 41,713.77 × 6,749.64
  4. Step 4: Simplify right side
    27,809.43x = 281,552,930.54
  5. Step 5: Solve for x
    x = 281,552,930.54/27,809.43
  6. Step 6: Final answer
    x = 10,124.37

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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.