Home / 28,873.38-43,311.62-9,153.47

Finding the Fourth Proportional to 28,873.38, 43,311.62 and 9,153.47

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Solution

The fourth proportional to 28,873.38, 43,311.62 and 9,153.47 is: 13,730.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,873.38 : 43,311.62 = 9,153.47 : x
  2. Step 2: Convert to fraction form
    28,873.38/43,311.62 = 9,153.47/x
  3. Step 3: Cross multiply
    28,873.38x = 43,311.62 × 9,153.47
  4. Step 4: Simplify right side
    28,873.38x = 396,451,352.00
  5. Step 5: Solve for x
    x = 396,451,352.00/28,873.38
  6. Step 6: Final answer
    x = 13,730.69

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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.