Home / 28,923.20-43,449.60-27,742.40

Finding the Fourth Proportional to 28,923.20, 43,449.60 and 27,742.40

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Solution

The fourth proportional to 28,923.20, 43,449.60 and 27,742.40 is: 41,675.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,923.20 : 43,449.60 = 27,742.40 : x
  2. Step 2: Convert to fraction form
    28,923.20/43,449.60 = 27,742.40/x
  3. Step 3: Cross multiply
    28,923.20x = 43,449.60 × 27,742.40
  4. Step 4: Simplify right side
    28,923.20x = 1,205,396,183.04
  5. Step 5: Solve for x
    x = 1,205,396,183.04/28,923.20
  6. Step 6: Final answer
    x = 41,675.75

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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.