Home / 38,938.85-58,413.13-15,243.33

Finding the Fourth Proportional to 38,938.85, 58,413.13 and 15,243.33

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Solution

The fourth proportional to 38,938.85, 58,413.13 and 15,243.33 is: 22,866.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,938.85 : 58,413.13 = 15,243.33 : x
  2. Step 2: Convert to fraction form
    38,938.85/58,413.13 = 15,243.33/x
  3. Step 3: Cross multiply
    38,938.85x = 58,413.13 × 15,243.33
  4. Step 4: Simplify right side
    38,938.85x = 890,410,578.81
  5. Step 5: Solve for x
    x = 890,410,578.81/38,938.85
  6. Step 6: Final answer
    x = 22,866.90

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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.