Home / 28,786.62-43,179.87-9,066.90

Finding the Fourth Proportional to 28,786.62, 43,179.87 and 9,066.90

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Solution

The fourth proportional to 28,786.62, 43,179.87 and 9,066.90 is: 13,600.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,786.62 : 43,179.87 = 9,066.90 : x
  2. Step 2: Convert to fraction form
    28,786.62/43,179.87 = 9,066.90/x
  3. Step 3: Cross multiply
    28,786.62x = 43,179.87 × 9,066.90
  4. Step 4: Simplify right side
    28,786.62x = 391,507,563.30
  5. Step 5: Solve for x
    x = 391,507,563.30/28,786.62
  6. Step 6: Final answer
    x = 13,600.33

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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.