Home / 17,921.05-26,882.62-5,441.48

Finding the Fourth Proportional to 17,921.05, 26,882.62 and 5,441.48

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Solution

The fourth proportional to 17,921.05, 26,882.62 and 5,441.48 is: 8,162.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,921.05 : 26,882.62 = 5,441.48 : x
  2. Step 2: Convert to fraction form
    17,921.05/26,882.62 = 5,441.48/x
  3. Step 3: Cross multiply
    17,921.05x = 26,882.62 × 5,441.48
  4. Step 4: Simplify right side
    17,921.05x = 146,281,191.87
  5. Step 5: Solve for x
    x = 146,281,191.87/17,921.05
  6. Step 6: Final answer
    x = 8,162.54

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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.