Home / 27,334.80-41,002.20-18,003.60

Finding the Fourth Proportional to 27,334.80, 41,002.20 and 18,003.60

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Solution

The fourth proportional to 27,334.80, 41,002.20 and 18,003.60 is: 27,005.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,334.80 : 41,002.20 = 18,003.60 : x
  2. Step 2: Convert to fraction form
    27,334.80/41,002.20 = 18,003.60/x
  3. Step 3: Cross multiply
    27,334.80x = 41,002.20 × 18,003.60
  4. Step 4: Simplify right side
    27,334.80x = 738,187,207.92
  5. Step 5: Solve for x
    x = 738,187,207.92/27,334.80
  6. Step 6: Final answer
    x = 27,005.40

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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.