Home / 27,864.28-41,749.34-13,805.56

Finding the Fourth Proportional to 27,864.28, 41,749.34 and 13,805.56

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Solution

The fourth proportional to 27,864.28, 41,749.34 and 13,805.56 is: 20,685.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,864.28 : 41,749.34 = 13,805.56 : x
  2. Step 2: Convert to fraction form
    27,864.28/41,749.34 = 13,805.56/x
  3. Step 3: Cross multiply
    27,864.28x = 41,749.34 × 13,805.56
  4. Step 4: Simplify right side
    27,864.28x = 576,373,018.33
  5. Step 5: Solve for x
    x = 576,373,018.33/27,864.28
  6. Step 6: Final answer
    x = 20,685.01

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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.