Home / 28,949.39-43,423.57-9,227.78

Finding the Fourth Proportional to 28,949.39, 43,423.57 and 9,227.78

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Solution

The fourth proportional to 28,949.39, 43,423.57 and 9,227.78 is: 13,841.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,949.39 : 43,423.57 = 9,227.78 : x
  2. Step 2: Convert to fraction form
    28,949.39/43,423.57 = 9,227.78/x
  3. Step 3: Cross multiply
    28,949.39x = 43,423.57 × 9,227.78
  4. Step 4: Simplify right side
    28,949.39x = 400,703,150.77
  5. Step 5: Solve for x
    x = 400,703,150.77/28,949.39
  6. Step 6: Final answer
    x = 13,841.51

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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.