Home / 27,911.43-41,871.33-8,187.66

Finding the Fourth Proportional to 27,911.43, 41,871.33 and 8,187.66

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Solution

The fourth proportional to 27,911.43, 41,871.33 and 8,187.66 is: 12,282.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,911.43 : 41,871.33 = 8,187.66 : x
  2. Step 2: Convert to fraction form
    27,911.43/41,871.33 = 8,187.66/x
  3. Step 3: Cross multiply
    27,911.43x = 41,871.33 × 8,187.66
  4. Step 4: Simplify right side
    27,911.43x = 342,828,213.79
  5. Step 5: Solve for x
    x = 342,828,213.79/27,911.43
  6. Step 6: Final answer
    x = 12,282.72

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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.