Home / 27,028.94-40,568.32-13,711.28

Finding the Fourth Proportional to 27,028.94, 40,568.32 and 13,711.28

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Solution

The fourth proportional to 27,028.94, 40,568.32 and 13,711.28 is: 20,579.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,028.94 : 40,568.32 = 13,711.28 : x
  2. Step 2: Convert to fraction form
    27,028.94/40,568.32 = 13,711.28/x
  3. Step 3: Cross multiply
    27,028.94x = 40,568.32 × 13,711.28
  4. Step 4: Simplify right side
    27,028.94x = 556,243,370.38
  5. Step 5: Solve for x
    x = 556,243,370.38/27,028.94
  6. Step 6: Final answer
    x = 20,579.55

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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.