Home / 27,171.28-37,518.78-17,115.94

Finding the Fourth Proportional to 27,171.28, 37,518.78 and 17,115.94

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Solution

The fourth proportional to 27,171.28, 37,518.78 and 17,115.94 is: 23,634.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,171.28 : 37,518.78 = 17,115.94 : x
  2. Step 2: Convert to fraction form
    27,171.28/37,518.78 = 17,115.94/x
  3. Step 3: Cross multiply
    27,171.28x = 37,518.78 × 17,115.94
  4. Step 4: Simplify right side
    27,171.28x = 642,169,187.35
  5. Step 5: Solve for x
    x = 642,169,187.35/27,171.28
  6. Step 6: Final answer
    x = 23,634.12

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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.