Home / 26,661.60-39,997.20-11,080.80

Finding the Fourth Proportional to 26,661.60, 39,997.20 and 11,080.80

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Solution

The fourth proportional to 26,661.60, 39,997.20 and 11,080.80 is: 16,623.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,661.60 : 39,997.20 = 11,080.80 : x
  2. Step 2: Convert to fraction form
    26,661.60/39,997.20 = 11,080.80/x
  3. Step 3: Cross multiply
    26,661.60x = 39,997.20 × 11,080.80
  4. Step 4: Simplify right side
    26,661.60x = 443,200,973.76
  5. Step 5: Solve for x
    x = 443,200,973.76/26,661.60
  6. Step 6: Final answer
    x = 16,623.19

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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.