Home / 27,631.77-41,435.47-7,905.84

Finding the Fourth Proportional to 27,631.77, 41,435.47 and 7,905.84

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Solution

The fourth proportional to 27,631.77, 41,435.47 and 7,905.84 is: 11,855.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,631.77 : 41,435.47 = 7,905.84 : x
  2. Step 2: Convert to fraction form
    27,631.77/41,435.47 = 7,905.84/x
  3. Step 3: Cross multiply
    27,631.77x = 41,435.47 × 7,905.84
  4. Step 4: Simplify right side
    27,631.77x = 327,582,196.14
  5. Step 5: Solve for x
    x = 327,582,196.14/27,631.77
  6. Step 6: Final answer
    x = 11,855.27

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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.