Home / 27,074.78-37,364.04-15,138.62

Finding the Fourth Proportional to 27,074.78, 37,364.04 and 15,138.62

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Solution

The fourth proportional to 27,074.78, 37,364.04 and 15,138.62 is: 20,891.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,074.78 : 37,364.04 = 15,138.62 : x
  2. Step 2: Convert to fraction form
    27,074.78/37,364.04 = 15,138.62/x
  3. Step 3: Cross multiply
    27,074.78x = 37,364.04 × 15,138.62
  4. Step 4: Simplify right side
    27,074.78x = 565,640,003.22
  5. Step 5: Solve for x
    x = 565,640,003.22/27,074.78
  6. Step 6: Final answer
    x = 20,891.77

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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.