Home / 28,979.92-43,489.32-10,260

Finding the Fourth Proportional to 28,979.92, 43,489.32 and 10,260

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Solution

The fourth proportional to 28,979.92, 43,489.32 and 10,260 is: 15,396.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,979.92 : 43,489.32 = 10,260 : x
  2. Step 2: Convert to fraction form
    28,979.92/43,489.32 = 10,260/x
  3. Step 3: Cross multiply
    28,979.92x = 43,489.32 × 10,260
  4. Step 4: Simplify right side
    28,979.92x = 446,200,423.20
  5. Step 5: Solve for x
    x = 446,200,423.20/28,979.92
  6. Step 6: Final answer
    x = 15,396.88

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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.