Home / 27,221.06-40,827.92-10,579.50

Finding the Fourth Proportional to 27,221.06, 40,827.92 and 10,579.50

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Solution

The fourth proportional to 27,221.06, 40,827.92 and 10,579.50 is: 15,867.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,221.06 : 40,827.92 = 10,579.50 : x
  2. Step 2: Convert to fraction form
    27,221.06/40,827.92 = 10,579.50/x
  3. Step 3: Cross multiply
    27,221.06x = 40,827.92 × 10,579.50
  4. Step 4: Simplify right side
    27,221.06x = 431,938,979.64
  5. Step 5: Solve for x
    x = 431,938,979.64/27,221.06
  6. Step 6: Final answer
    x = 15,867.82

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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.