Home / 25,955.78-38,909.04-8,413.28

Finding the Fourth Proportional to 25,955.78, 38,909.04 and 8,413.28

Calculator

Solution

The fourth proportional to 25,955.78, 38,909.04 and 8,413.28 is: 12,611.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,955.78 : 38,909.04 = 8,413.28 : x
  2. Step 2: Convert to fraction form
    25,955.78/38,909.04 = 8,413.28/x
  3. Step 3: Cross multiply
    25,955.78x = 38,909.04 × 8,413.28
  4. Step 4: Simplify right side
    25,955.78x = 327,352,648.05
  5. Step 5: Solve for x
    x = 327,352,648.05/25,955.78
  6. Step 6: Final answer
    x = 12,611.94

Related Problems

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.