Home / 27,579.34-41,362.18-7,858.07

Finding the Fourth Proportional to 27,579.34, 41,362.18 and 7,858.07

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Solution

The fourth proportional to 27,579.34, 41,362.18 and 7,858.07 is: 11,785.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,579.34 : 41,362.18 = 7,858.07 : x
  2. Step 2: Convert to fraction form
    27,579.34/41,362.18 = 7,858.07/x
  3. Step 3: Cross multiply
    27,579.34x = 41,362.18 × 7,858.07
  4. Step 4: Simplify right side
    27,579.34x = 325,026,905.79
  5. Step 5: Solve for x
    x = 325,026,905.79/27,579.34
  6. Step 6: Final answer
    x = 11,785.16

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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.