Home / 27,156.97-37,474.59-15,217.99

Finding the Fourth Proportional to 27,156.97, 37,474.59 and 15,217.99

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Solution

The fourth proportional to 27,156.97, 37,474.59 and 15,217.99 is: 20,999.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,156.97 : 37,474.59 = 15,217.99 : x
  2. Step 2: Convert to fraction form
    27,156.97/37,474.59 = 15,217.99/x
  3. Step 3: Cross multiply
    27,156.97x = 37,474.59 × 15,217.99
  4. Step 4: Simplify right side
    27,156.97x = 570,287,935.87
  5. Step 5: Solve for x
    x = 570,287,935.87/27,156.97
  6. Step 6: Final answer
    x = 20,999.69

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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.