Home / 27,749.17-38,286.46-15,812.25

Finding the Fourth Proportional to 27,749.17, 38,286.46 and 15,812.25

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Solution

The fourth proportional to 27,749.17, 38,286.46 and 15,812.25 is: 21,816.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,749.17 : 38,286.46 = 15,812.25 : x
  2. Step 2: Convert to fraction form
    27,749.17/38,286.46 = 15,812.25/x
  3. Step 3: Cross multiply
    27,749.17x = 38,286.46 × 15,812.25
  4. Step 4: Simplify right side
    27,749.17x = 605,394,885.70
  5. Step 5: Solve for x
    x = 605,394,885.70/27,749.17
  6. Step 6: Final answer
    x = 21,816.69

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.