Home / 20,766.44-28,657.78-11,335.20

Finding the Fourth Proportional to 20,766.44, 28,657.78 and 11,335.20

Calculator

Solution

The fourth proportional to 20,766.44, 28,657.78 and 11,335.20 is: 15,642.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,766.44 : 28,657.78 = 11,335.20 : x
  2. Step 2: Convert to fraction form
    20,766.44/28,657.78 = 11,335.20/x
  3. Step 3: Cross multiply
    20,766.44x = 28,657.78 × 11,335.20
  4. Step 4: Simplify right side
    20,766.44x = 324,841,667.86
  5. Step 5: Solve for x
    x = 324,841,667.86/20,766.44
  6. Step 6: Final answer
    x = 15,642.63

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.