Home / 27,757.44-38,304.84-16,998.72

Finding the Fourth Proportional to 27,757.44, 38,304.84 and 16,998.72

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Solution

The fourth proportional to 27,757.44, 38,304.84 and 16,998.72 is: 23,457.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,757.44 : 38,304.84 = 16,998.72 : x
  2. Step 2: Convert to fraction form
    27,757.44/38,304.84 = 16,998.72/x
  3. Step 3: Cross multiply
    27,757.44x = 38,304.84 × 16,998.72
  4. Step 4: Simplify right side
    27,757.44x = 651,133,249.80
  5. Step 5: Solve for x
    x = 651,133,249.80/27,757.44
  6. Step 6: Final answer
    x = 23,457.97

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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.