Home / 25,945.50-38,923.10-8,413.04

Finding the Fourth Proportional to 25,945.50, 38,923.10 and 8,413.04

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Solution

The fourth proportional to 25,945.50, 38,923.10 and 8,413.04 is: 12,621.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,945.50 : 38,923.10 = 8,413.04 : x
  2. Step 2: Convert to fraction form
    25,945.50/38,923.10 = 8,413.04/x
  3. Step 3: Cross multiply
    25,945.50x = 38,923.10 × 8,413.04
  4. Step 4: Simplify right side
    25,945.50x = 327,461,597.22
  5. Step 5: Solve for x
    x = 327,461,597.22/25,945.50
  6. Step 6: Final answer
    x = 12,621.13

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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.