Home / 18,982.54-28,473.81-4,942.52

Finding the Fourth Proportional to 18,982.54, 28,473.81 and 4,942.52

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Solution

The fourth proportional to 18,982.54, 28,473.81 and 4,942.52 is: 7,413.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,982.54 : 28,473.81 = 4,942.52 : x
  2. Step 2: Convert to fraction form
    18,982.54/28,473.81 = 4,942.52/x
  3. Step 3: Cross multiply
    18,982.54x = 28,473.81 × 4,942.52
  4. Step 4: Simplify right side
    18,982.54x = 140,732,490.13
  5. Step 5: Solve for x
    x = 140,732,490.13/18,982.54
  6. Step 6: Final answer
    x = 7,413.79

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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.