Home / 27,028.32-40,515.36-11,211.84

Finding the Fourth Proportional to 27,028.32, 40,515.36 and 11,211.84

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Solution

The fourth proportional to 27,028.32, 40,515.36 and 11,211.84 is: 16,806.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,028.32 : 40,515.36 = 11,211.84 : x
  2. Step 2: Convert to fraction form
    27,028.32/40,515.36 = 11,211.84/x
  3. Step 3: Cross multiply
    27,028.32x = 40,515.36 × 11,211.84
  4. Step 4: Simplify right side
    27,028.32x = 454,251,733.86
  5. Step 5: Solve for x
    x = 454,251,733.86/27,028.32
  6. Step 6: Final answer
    x = 16,806.51

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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.