Home / 27,150.42-40,729.43-8,431.83

Finding the Fourth Proportional to 27,150.42, 40,729.43 and 8,431.83

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Solution

The fourth proportional to 27,150.42, 40,729.43 and 8,431.83 is: 12,648.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,150.42 : 40,729.43 = 8,431.83 : x
  2. Step 2: Convert to fraction form
    27,150.42/40,729.43 = 8,431.83/x
  3. Step 3: Cross multiply
    27,150.42x = 40,729.43 × 8,431.83
  4. Step 4: Simplify right side
    27,150.42x = 343,423,650.84
  5. Step 5: Solve for x
    x = 343,423,650.84/27,150.42
  6. Step 6: Final answer
    x = 12,648.92

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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.