Home / 27,579.06-41,368.62-7,857.65

Finding the Fourth Proportional to 27,579.06, 41,368.62 and 7,857.65

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Solution

The fourth proportional to 27,579.06, 41,368.62 and 7,857.65 is: 11,786.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,579.06 : 41,368.62 = 7,857.65 : x
  2. Step 2: Convert to fraction form
    27,579.06/41,368.62 = 7,857.65/x
  3. Step 3: Cross multiply
    27,579.06x = 41,368.62 × 7,857.65
  4. Step 4: Simplify right side
    27,579.06x = 325,059,930.10
  5. Step 5: Solve for x
    x = 325,059,930.10/27,579.06
  6. Step 6: Final answer
    x = 11,786.48

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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.