Home / 27,736.99-38,277.38-15,161.74

Finding the Fourth Proportional to 27,736.99, 38,277.38 and 15,161.74

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Solution

The fourth proportional to 27,736.99, 38,277.38 and 15,161.74 is: 20,923.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,736.99 : 38,277.38 = 15,161.74 : x
  2. Step 2: Convert to fraction form
    27,736.99/38,277.38 = 15,161.74/x
  3. Step 3: Cross multiply
    27,736.99x = 38,277.38 × 15,161.74
  4. Step 4: Simplify right side
    27,736.99x = 580,351,511.94
  5. Step 5: Solve for x
    x = 580,351,511.94/27,736.99
  6. Step 6: Final answer
    x = 20,923.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.