Home / 27,888.26-41,859.71-20,471.69

Finding the Fourth Proportional to 27,888.26, 41,859.71 and 20,471.69

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Solution

The fourth proportional to 27,888.26, 41,859.71 and 20,471.69 is: 30,727.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,888.26 : 41,859.71 = 20,471.69 : x
  2. Step 2: Convert to fraction form
    27,888.26/41,859.71 = 20,471.69/x
  3. Step 3: Cross multiply
    27,888.26x = 41,859.71 × 20,471.69
  4. Step 4: Simplify right side
    27,888.26x = 856,938,694.95
  5. Step 5: Solve for x
    x = 856,938,694.95/27,888.26
  6. Step 6: Final answer
    x = 30,727.58

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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.