Home / 27,717.18-38,251.09-16,958.68

Finding the Fourth Proportional to 27,717.18, 38,251.09 and 16,958.68

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Solution

The fourth proportional to 27,717.18, 38,251.09 and 16,958.68 is: 23,403.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,717.18 : 38,251.09 = 16,958.68 : x
  2. Step 2: Convert to fraction form
    27,717.18/38,251.09 = 16,958.68/x
  3. Step 3: Cross multiply
    27,717.18x = 38,251.09 × 16,958.68
  4. Step 4: Simplify right side
    27,717.18x = 648,687,994.96
  5. Step 5: Solve for x
    x = 648,687,994.96/27,717.18
  6. Step 6: Final answer
    x = 23,403.82

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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.