Home / 26,413.92-39,636.72-9,771.12

Finding the Fourth Proportional to 26,413.92, 39,636.72 and 9,771.12

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Solution

The fourth proportional to 26,413.92, 39,636.72 and 9,771.12 is: 14,662.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,413.92 : 39,636.72 = 9,771.12 : x
  2. Step 2: Convert to fraction form
    26,413.92/39,636.72 = 9,771.12/x
  3. Step 3: Cross multiply
    26,413.92x = 39,636.72 × 9,771.12
  4. Step 4: Simplify right side
    26,413.92x = 387,295,147.53
  5. Step 5: Solve for x
    x = 387,295,147.53/26,413.92
  6. Step 6: Final answer
    x = 14,662.54

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1.5x scale

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.