Home / 18,240.72-27,358.64-5,092

Finding the Fourth Proportional to 18,240.72, 27,358.64 and 5,092

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Solution

The fourth proportional to 18,240.72, 27,358.64 and 5,092 is: 7,637.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,240.72 : 27,358.64 = 5,092 : x
  2. Step 2: Convert to fraction form
    18,240.72/27,358.64 = 5,092/x
  3. Step 3: Cross multiply
    18,240.72x = 27,358.64 × 5,092
  4. Step 4: Simplify right side
    18,240.72x = 139,310,194.88
  5. Step 5: Solve for x
    x = 139,310,194.88/18,240.72
  6. Step 6: Final answer
    x = 7,637.32

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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.