Home / 27,729-41,568.12-10,185.48

Finding the Fourth Proportional to 27,729, 41,568.12 and 10,185.48

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Solution

The fourth proportional to 27,729, 41,568.12 and 10,185.48 is: 15,268.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,729 : 41,568.12 = 10,185.48 : x
  2. Step 2: Convert to fraction form
    27,729/41,568.12 = 10,185.48/x
  3. Step 3: Cross multiply
    27,729x = 41,568.12 × 10,185.48
  4. Step 4: Simplify right side
    27,729x = 423,391,254.90
  5. Step 5: Solve for x
    x = 423,391,254.90/27,729
  6. Step 6: Final answer
    x = 15,268.90

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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.