Home / 28,758.60-43,170.30-22,213.80

Finding the Fourth Proportional to 28,758.60, 43,170.30 and 22,213.80

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Solution

The fourth proportional to 28,758.60, 43,170.30 and 22,213.80 is: 33,345.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,758.60 : 43,170.30 = 22,213.80 : x
  2. Step 2: Convert to fraction form
    28,758.60/43,170.30 = 22,213.80/x
  3. Step 3: Cross multiply
    28,758.60x = 43,170.30 × 22,213.80
  4. Step 4: Simplify right side
    28,758.60x = 958,976,410.14
  5. Step 5: Solve for x
    x = 958,976,410.14/28,758.60
  6. Step 6: Final answer
    x = 33,345.73

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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.