Home / 25,806.33-38,716.43-20,561.14

Finding the Fourth Proportional to 25,806.33, 38,716.43 and 20,561.14

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Solution

The fourth proportional to 25,806.33, 38,716.43 and 20,561.14 is: 30,847.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,806.33 : 38,716.43 = 20,561.14 : x
  2. Step 2: Convert to fraction form
    25,806.33/38,716.43 = 20,561.14/x
  3. Step 3: Cross multiply
    25,806.33x = 38,716.43 × 20,561.14
  4. Step 4: Simplify right side
    25,806.33x = 796,053,998.78
  5. Step 5: Solve for x
    x = 796,053,998.78/25,806.33
  6. Step 6: Final answer
    x = 30,847.23

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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.