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Finding the Fourth Proportional to 22,668.86, 33,979.86 and 16,413.36

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Solution

The fourth proportional to 22,668.86, 33,979.86 and 16,413.36 is: 24,603.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,668.86 : 33,979.86 = 16,413.36 : x
  2. Step 2: Convert to fraction form
    22,668.86/33,979.86 = 16,413.36/x
  3. Step 3: Cross multiply
    22,668.86x = 33,979.86 × 16,413.36
  4. Step 4: Simplify right side
    22,668.86x = 557,723,674.93
  5. Step 5: Solve for x
    x = 557,723,674.93/22,668.86
  6. Step 6: Final answer
    x = 24,603.08

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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.