Home / 21,273.44-31,901.88-6,277.28

Finding the Fourth Proportional to 21,273.44, 31,901.88 and 6,277.28

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Solution

The fourth proportional to 21,273.44, 31,901.88 and 6,277.28 is: 9,413.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,273.44 : 31,901.88 = 6,277.28 : x
  2. Step 2: Convert to fraction form
    21,273.44/31,901.88 = 6,277.28/x
  3. Step 3: Cross multiply
    21,273.44x = 31,901.88 × 6,277.28
  4. Step 4: Simplify right side
    21,273.44x = 200,257,033.29
  5. Step 5: Solve for x
    x = 200,257,033.29/21,273.44
  6. Step 6: Final answer
    x = 9,413.48

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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.