Home / 27,958.20-41,969.70-16,877.40

Finding the Fourth Proportional to 27,958.20, 41,969.70 and 16,877.40

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Solution

The fourth proportional to 27,958.20, 41,969.70 and 16,877.40 is: 25,335.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,958.20 : 41,969.70 = 16,877.40 : x
  2. Step 2: Convert to fraction form
    27,958.20/41,969.70 = 16,877.40/x
  3. Step 3: Cross multiply
    27,958.20x = 41,969.70 × 16,877.40
  4. Step 4: Simplify right side
    27,958.20x = 708,339,414.78
  5. Step 5: Solve for x
    x = 708,339,414.78/27,958.20
  6. Step 6: Final answer
    x = 25,335.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.