Home / 18,270.38-27,409.62-5,791.15

Finding the Fourth Proportional to 18,270.38, 27,409.62 and 5,791.15

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Solution

The fourth proportional to 18,270.38, 27,409.62 and 5,791.15 is: 8,688.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,270.38 : 27,409.62 = 5,791.15 : x
  2. Step 2: Convert to fraction form
    18,270.38/27,409.62 = 5,791.15/x
  3. Step 3: Cross multiply
    18,270.38x = 27,409.62 × 5,791.15
  4. Step 4: Simplify right side
    18,270.38x = 158,733,276.84
  5. Step 5: Solve for x
    x = 158,733,276.84/18,270.38
  6. Step 6: Final answer
    x = 8,688.01

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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.