Home / 27,900.79-41,818.37-11,238.57

Finding the Fourth Proportional to 27,900.79, 41,818.37 and 11,238.57

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Solution

The fourth proportional to 27,900.79, 41,818.37 and 11,238.57 is: 16,844.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,900.79 : 41,818.37 = 11,238.57 : x
  2. Step 2: Convert to fraction form
    27,900.79/41,818.37 = 11,238.57/x
  3. Step 3: Cross multiply
    27,900.79x = 41,818.37 × 11,238.57
  4. Step 4: Simplify right side
    27,900.79x = 469,978,622.34
  5. Step 5: Solve for x
    x = 469,978,622.34/27,900.79
  6. Step 6: Final answer
    x = 16,844.64

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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.