Home / 27,930.13-41,884.26-10,390.39

Finding the Fourth Proportional to 27,930.13, 41,884.26 and 10,390.39

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Solution

The fourth proportional to 27,930.13, 41,884.26 and 10,390.39 is: 15,581.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,930.13 : 41,884.26 = 10,390.39 : x
  2. Step 2: Convert to fraction form
    27,930.13/41,884.26 = 10,390.39/x
  3. Step 3: Cross multiply
    27,930.13x = 41,884.26 × 10,390.39
  4. Step 4: Simplify right side
    27,930.13x = 435,193,796.26
  5. Step 5: Solve for x
    x = 435,193,796.26/27,930.13
  6. Step 6: Final answer
    x = 15,581.52

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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.