Home / 27,195.21-40,791.20-8,219.48

Finding the Fourth Proportional to 27,195.21, 40,791.20 and 8,219.48

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Solution

The fourth proportional to 27,195.21, 40,791.20 and 8,219.48 is: 12,328.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,195.21 : 40,791.20 = 8,219.48 : x
  2. Step 2: Convert to fraction form
    27,195.21/40,791.20 = 8,219.48/x
  3. Step 3: Cross multiply
    27,195.21x = 40,791.20 × 8,219.48
  4. Step 4: Simplify right side
    27,195.21x = 335,282,207.52
  5. Step 5: Solve for x
    x = 335,282,207.52/27,195.21
  6. Step 6: Final answer
    x = 12,328.72

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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.