Home / 18,441.33-27,668.03-15,145.80

Finding the Fourth Proportional to 18,441.33, 27,668.03 and 15,145.80

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Solution

The fourth proportional to 18,441.33, 27,668.03 and 15,145.80 is: 22,723.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,441.33 : 27,668.03 = 15,145.80 : x
  2. Step 2: Convert to fraction form
    18,441.33/27,668.03 = 15,145.80/x
  3. Step 3: Cross multiply
    18,441.33x = 27,668.03 × 15,145.80
  4. Step 4: Simplify right side
    18,441.33x = 419,054,373.05
  5. Step 5: Solve for x
    x = 419,054,373.05/18,441.33
  6. Step 6: Final answer
    x = 22,723.65

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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.