Home / 27,286.20-37,651.91-15,349.28

Finding the Fourth Proportional to 27,286.20, 37,651.91 and 15,349.28

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Solution

The fourth proportional to 27,286.20, 37,651.91 and 15,349.28 is: 21,180.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,286.20 : 37,651.91 = 15,349.28 : x
  2. Step 2: Convert to fraction form
    27,286.20/37,651.91 = 15,349.28/x
  3. Step 3: Cross multiply
    27,286.20x = 37,651.91 × 15,349.28
  4. Step 4: Simplify right side
    27,286.20x = 577,929,444.12
  5. Step 5: Solve for x
    x = 577,929,444.12/27,286.20
  6. Step 6: Final answer
    x = 21,180.28

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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.