Home / 27,748.72-41,619-10,214.48

Finding the Fourth Proportional to 27,748.72, 41,619 and 10,214.48

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Solution

The fourth proportional to 27,748.72, 41,619 and 10,214.48 is: 15,320.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,748.72 : 41,619 = 10,214.48 : x
  2. Step 2: Convert to fraction form
    27,748.72/41,619 = 10,214.48/x
  3. Step 3: Cross multiply
    27,748.72x = 41,619 × 10,214.48
  4. Step 4: Simplify right side
    27,748.72x = 425,116,443.12
  5. Step 5: Solve for x
    x = 425,116,443.12/27,748.72
  6. Step 6: Final answer
    x = 15,320.22

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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.