Home / 28,705.44-43,057.68-8,983.80

Finding the Fourth Proportional to 28,705.44, 43,057.68 and 8,983.80

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Solution

The fourth proportional to 28,705.44, 43,057.68 and 8,983.80 is: 13,475.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,705.44 : 43,057.68 = 8,983.80 : x
  2. Step 2: Convert to fraction form
    28,705.44/43,057.68 = 8,983.80/x
  3. Step 3: Cross multiply
    28,705.44x = 43,057.68 × 8,983.80
  4. Step 4: Simplify right side
    28,705.44x = 386,821,585.58
  5. Step 5: Solve for x
    x = 386,821,585.58/28,705.44
  6. Step 6: Final answer
    x = 13,475.55

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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.