Home / 27,716.84-38,249.17-15,141.68

Finding the Fourth Proportional to 27,716.84, 38,249.17 and 15,141.68

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Solution

The fourth proportional to 27,716.84, 38,249.17 and 15,141.68 is: 20,895.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,716.84 : 38,249.17 = 15,141.68 : x
  2. Step 2: Convert to fraction form
    27,716.84/38,249.17 = 15,141.68/x
  3. Step 3: Cross multiply
    27,716.84x = 38,249.17 × 15,141.68
  4. Step 4: Simplify right side
    27,716.84x = 579,156,425.45
  5. Step 5: Solve for x
    x = 579,156,425.45/27,716.84
  6. Step 6: Final answer
    x = 20,895.47

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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.