Home / 28,413.26-42,590.32-15,914.96

Finding the Fourth Proportional to 28,413.26, 42,590.32 and 15,914.96

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Solution

The fourth proportional to 28,413.26, 42,590.32 and 15,914.96 is: 23,855.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,413.26 : 42,590.32 = 15,914.96 : x
  2. Step 2: Convert to fraction form
    28,413.26/42,590.32 = 15,914.96/x
  3. Step 3: Cross multiply
    28,413.26x = 42,590.32 × 15,914.96
  4. Step 4: Simplify right side
    28,413.26x = 677,823,239.19
  5. Step 5: Solve for x
    x = 677,823,239.19/28,413.26
  6. Step 6: Final answer
    x = 23,855.88

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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.