Home / 27,198-37,533.12-15,867.96

Finding the Fourth Proportional to 27,198, 37,533.12 and 15,867.96

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Solution

The fourth proportional to 27,198, 37,533.12 and 15,867.96 is: 21,897.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,198 : 37,533.12 = 15,867.96 : x
  2. Step 2: Convert to fraction form
    27,198/37,533.12 = 15,867.96/x
  3. Step 3: Cross multiply
    27,198x = 37,533.12 × 15,867.96
  4. Step 4: Simplify right side
    27,198x = 595,574,046.84
  5. Step 5: Solve for x
    x = 595,574,046.84/27,198
  6. Step 6: Final answer
    x = 21,897.71

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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.