Home / 19,375.04-26,738.43-15,176

Finding the Fourth Proportional to 19,375.04, 26,738.43 and 15,176

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Solution

The fourth proportional to 19,375.04, 26,738.43 and 15,176 is: 20,943.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,375.04 : 26,738.43 = 15,176 : x
  2. Step 2: Convert to fraction form
    19,375.04/26,738.43 = 15,176/x
  3. Step 3: Cross multiply
    19,375.04x = 26,738.43 × 15,176
  4. Step 4: Simplify right side
    19,375.04x = 405,782,413.68
  5. Step 5: Solve for x
    x = 405,782,413.68/19,375.04
  6. Step 6: Final answer
    x = 20,943.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.