Home / 27,899.24-41,849.20-8,178.20

Finding the Fourth Proportional to 27,899.24, 41,849.20 and 8,178.20

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Solution

The fourth proportional to 27,899.24, 41,849.20 and 8,178.20 is: 12,267.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,899.24 : 41,849.20 = 8,178.20 : x
  2. Step 2: Convert to fraction form
    27,899.24/41,849.20 = 8,178.20/x
  3. Step 3: Cross multiply
    27,899.24x = 41,849.20 × 8,178.20
  4. Step 4: Simplify right side
    27,899.24x = 342,251,062.35
  5. Step 5: Solve for x
    x = 342,251,062.35/27,899.24
  6. Step 6: Final answer
    x = 12,267.40

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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.