Home / 17,991.05-26,988.49-4,843.61

Finding the Fourth Proportional to 17,991.05, 26,988.49 and 4,843.61

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Solution

The fourth proportional to 17,991.05, 26,988.49 and 4,843.61 is: 7,265.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,991.05 : 26,988.49 = 4,843.61 : x
  2. Step 2: Convert to fraction form
    17,991.05/26,988.49 = 4,843.61/x
  3. Step 3: Cross multiply
    17,991.05x = 26,988.49 × 4,843.61
  4. Step 4: Simplify right side
    17,991.05x = 130,721,573.00
  5. Step 5: Solve for x
    x = 130,721,573.00/17,991.05
  6. Step 6: Final answer
    x = 7,265.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.