Home / 27,671.89-38,191.49-16,342.61

Finding the Fourth Proportional to 27,671.89, 38,191.49 and 16,342.61

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Solution

The fourth proportional to 27,671.89, 38,191.49 and 16,342.61 is: 22,555.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,671.89 : 38,191.49 = 16,342.61 : x
  2. Step 2: Convert to fraction form
    27,671.89/38,191.49 = 16,342.61/x
  3. Step 3: Cross multiply
    27,671.89x = 38,191.49 × 16,342.61
  4. Step 4: Simplify right side
    27,671.89x = 624,148,544.68
  5. Step 5: Solve for x
    x = 624,148,544.68/27,671.89
  6. Step 6: Final answer
    x = 22,555.33

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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.