Home / 27,390.54-41,076.09-9,855.66

Finding the Fourth Proportional to 27,390.54, 41,076.09 and 9,855.66

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Solution

The fourth proportional to 27,390.54, 41,076.09 and 9,855.66 is: 14,779.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,390.54 : 41,076.09 = 9,855.66 : x
  2. Step 2: Convert to fraction form
    27,390.54/41,076.09 = 9,855.66/x
  3. Step 3: Cross multiply
    27,390.54x = 41,076.09 × 9,855.66
  4. Step 4: Simplify right side
    27,390.54x = 404,831,977.17
  5. Step 5: Solve for x
    x = 404,831,977.17/27,390.54
  6. Step 6: Final answer
    x = 14,779.99

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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.