Home / 25,945.32-38,923.45-8,413.79

Finding the Fourth Proportional to 25,945.32, 38,923.45 and 8,413.79

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Solution

The fourth proportional to 25,945.32, 38,923.45 and 8,413.79 is: 12,622.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,945.32 : 38,923.45 = 8,413.79 : x
  2. Step 2: Convert to fraction form
    25,945.32/38,923.45 = 8,413.79/x
  3. Step 3: Cross multiply
    25,945.32x = 38,923.45 × 8,413.79
  4. Step 4: Simplify right side
    25,945.32x = 327,493,518.72
  5. Step 5: Solve for x
    x = 327,493,518.72/25,945.32
  6. Step 6: Final answer
    x = 12,622.45

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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.