Home / 17,965.19-26,947.79-5,485.29

Finding the Fourth Proportional to 17,965.19, 26,947.79 and 5,485.29

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Solution

The fourth proportional to 17,965.19, 26,947.79 and 5,485.29 is: 8,227.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,965.19 : 26,947.79 = 5,485.29 : x
  2. Step 2: Convert to fraction form
    17,965.19/26,947.79 = 5,485.29/x
  3. Step 3: Cross multiply
    17,965.19x = 26,947.79 × 5,485.29
  4. Step 4: Simplify right side
    17,965.19x = 147,816,415.58
  5. Step 5: Solve for x
    x = 147,816,415.58/17,965.19
  6. Step 6: Final answer
    x = 8,227.94

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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.