Home / 52,613.20-72,605-28,739.92

Finding the Fourth Proportional to 52,613.20, 72,605 and 28,739.92

Calculator

Solution

The fourth proportional to 52,613.20, 72,605 and 28,739.92 is: 39,660.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,613.20 : 72,605 = 28,739.92 : x
  2. Step 2: Convert to fraction form
    52,613.20/72,605 = 28,739.92/x
  3. Step 3: Cross multiply
    52,613.20x = 72,605 × 28,739.92
  4. Step 4: Simplify right side
    52,613.20x = 2,086,661,891.60
  5. Step 5: Solve for x
    x = 2,086,661,891.60/52,613.20
  6. Step 6: Final answer
    x = 39,660.43

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.