Home / 27,780.44-41,645.26-11,137.64

Finding the Fourth Proportional to 27,780.44, 41,645.26 and 11,137.64

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Solution

The fourth proportional to 27,780.44, 41,645.26 and 11,137.64 is: 16,696.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,780.44 : 41,645.26 = 11,137.64 : x
  2. Step 2: Convert to fraction form
    27,780.44/41,645.26 = 11,137.64/x
  3. Step 3: Cross multiply
    27,780.44x = 41,645.26 × 11,137.64
  4. Step 4: Simplify right side
    27,780.44x = 463,829,913.59
  5. Step 5: Solve for x
    x = 463,829,913.59/27,780.44
  6. Step 6: Final answer
    x = 16,696.28

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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.