Home / 23,620.80-35,431.20-11,136.72

Finding the Fourth Proportional to 23,620.80, 35,431.20 and 11,136.72

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Solution

The fourth proportional to 23,620.80, 35,431.20 and 11,136.72 is: 16,705.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,620.80 : 35,431.20 = 11,136.72 : x
  2. Step 2: Convert to fraction form
    23,620.80/35,431.20 = 11,136.72/x
  3. Step 3: Cross multiply
    23,620.80x = 35,431.20 × 11,136.72
  4. Step 4: Simplify right side
    23,620.80x = 394,587,353.66
  5. Step 5: Solve for x
    x = 394,587,353.66/23,620.80
  6. Step 6: Final answer
    x = 16,705.08

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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.