Home / 27,760.50-38,327.97-16,433.64

Finding the Fourth Proportional to 27,760.50, 38,327.97 and 16,433.64

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Solution

The fourth proportional to 27,760.50, 38,327.97 and 16,433.64 is: 22,689.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,760.50 : 38,327.97 = 16,433.64 : x
  2. Step 2: Convert to fraction form
    27,760.50/38,327.97 = 16,433.64/x
  3. Step 3: Cross multiply
    27,760.50x = 38,327.97 × 16,433.64
  4. Step 4: Simplify right side
    27,760.50x = 629,868,060.91
  5. Step 5: Solve for x
    x = 629,868,060.91/27,760.50
  6. Step 6: Final answer
    x = 22,689.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.