Home / 27,137.92-40,709.46-8,418.16

Finding the Fourth Proportional to 27,137.92, 40,709.46 and 8,418.16

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Solution

The fourth proportional to 27,137.92, 40,709.46 and 8,418.16 is: 12,628.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,137.92 : 40,709.46 = 8,418.16 : x
  2. Step 2: Convert to fraction form
    27,137.92/40,709.46 = 8,418.16/x
  3. Step 3: Cross multiply
    27,137.92x = 40,709.46 × 8,418.16
  4. Step 4: Simplify right side
    27,137.92x = 342,698,747.79
  5. Step 5: Solve for x
    x = 342,698,747.79/27,137.92
  6. Step 6: Final answer
    x = 12,628.04

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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.