Home / 27,240.20-40,860.30-9,729.80

Finding the Fourth Proportional to 27,240.20, 40,860.30 and 9,729.80

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Solution

The fourth proportional to 27,240.20, 40,860.30 and 9,729.80 is: 14,594.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,240.20 : 40,860.30 = 9,729.80 : x
  2. Step 2: Convert to fraction form
    27,240.20/40,860.30 = 9,729.80/x
  3. Step 3: Cross multiply
    27,240.20x = 40,860.30 × 9,729.80
  4. Step 4: Simplify right side
    27,240.20x = 397,562,546.94
  5. Step 5: Solve for x
    x = 397,562,546.94/27,240.20
  6. Step 6: Final answer
    x = 14,594.70

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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.