Home / 26,190-36,138.56-16,120.08

Finding the Fourth Proportional to 26,190, 36,138.56 and 16,120.08

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Solution

The fourth proportional to 26,190, 36,138.56 and 16,120.08 is: 22,243.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,190 : 36,138.56 = 16,120.08 : x
  2. Step 2: Convert to fraction form
    26,190/36,138.56 = 16,120.08/x
  3. Step 3: Cross multiply
    26,190x = 36,138.56 × 16,120.08
  4. Step 4: Simplify right side
    26,190x = 582,556,397.68
  5. Step 5: Solve for x
    x = 582,556,397.68/26,190
  6. Step 6: Final answer
    x = 22,243.47

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Why These Related Problems?

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