Home / 27,606.12-38,083.50-16,991.88

Finding the Fourth Proportional to 27,606.12, 38,083.50 and 16,991.88

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Solution

The fourth proportional to 27,606.12, 38,083.50 and 16,991.88 is: 23,440.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,606.12 : 38,083.50 = 16,991.88 : x
  2. Step 2: Convert to fraction form
    27,606.12/38,083.50 = 16,991.88/x
  3. Step 3: Cross multiply
    27,606.12x = 38,083.50 × 16,991.88
  4. Step 4: Simplify right side
    27,606.12x = 647,110,261.98
  5. Step 5: Solve for x
    x = 647,110,261.98/27,606.12
  6. Step 6: Final answer
    x = 23,440.83

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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.