Home / 27,440.62-37,865.82-15,505

Finding the Fourth Proportional to 27,440.62, 37,865.82 and 15,505

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Solution

The fourth proportional to 27,440.62, 37,865.82 and 15,505 is: 21,395.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,440.62 : 37,865.82 = 15,505 : x
  2. Step 2: Convert to fraction form
    27,440.62/37,865.82 = 15,505/x
  3. Step 3: Cross multiply
    27,440.62x = 37,865.82 × 15,505
  4. Step 4: Simplify right side
    27,440.62x = 587,109,539.10
  5. Step 5: Solve for x
    x = 587,109,539.10/27,440.62
  6. Step 6: Final answer
    x = 21,395.64

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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.