Home / 27,215.11-40,816.45-7,495.39

Finding the Fourth Proportional to 27,215.11, 40,816.45 and 7,495.39

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Solution

The fourth proportional to 27,215.11, 40,816.45 and 7,495.39 is: 11,241.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,215.11 : 40,816.45 = 7,495.39 : x
  2. Step 2: Convert to fraction form
    27,215.11/40,816.45 = 7,495.39/x
  3. Step 3: Cross multiply
    27,215.11x = 40,816.45 × 7,495.39
  4. Step 4: Simplify right side
    27,215.11x = 305,935,211.17
  5. Step 5: Solve for x
    x = 305,935,211.17/27,215.11
  6. Step 6: Final answer
    x = 11,241.37

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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.