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Finding the Fourth Proportional to 36,927, 55,413.54 and 15,039

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Solution

The fourth proportional to 36,927, 55,413.54 and 15,039 is: 22,567.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,927 : 55,413.54 = 15,039 : x
  2. Step 2: Convert to fraction form
    36,927/55,413.54 = 15,039/x
  3. Step 3: Cross multiply
    36,927x = 55,413.54 × 15,039
  4. Step 4: Simplify right side
    36,927x = 833,364,228.06
  5. Step 5: Solve for x
    x = 833,364,228.06/36,927
  6. Step 6: Final answer
    x = 22,567.88

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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.