Home / 28,805.37-43,227.66-17,678.12

Finding the Fourth Proportional to 28,805.37, 43,227.66 and 17,678.12

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Solution

The fourth proportional to 28,805.37, 43,227.66 and 17,678.12 is: 26,529.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,805.37 : 43,227.66 = 17,678.12 : x
  2. Step 2: Convert to fraction form
    28,805.37/43,227.66 = 17,678.12/x
  3. Step 3: Cross multiply
    28,805.37x = 43,227.66 × 17,678.12
  4. Step 4: Simplify right side
    28,805.37x = 764,183,544.66
  5. Step 5: Solve for x
    x = 764,183,544.66/28,805.37
  6. Step 6: Final answer
    x = 26,529.20

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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.