Home / 20,770.62-28,669.59-14,485.02

Finding the Fourth Proportional to 20,770.62, 28,669.59 and 14,485.02

Calculator

Solution

The fourth proportional to 20,770.62, 28,669.59 and 14,485.02 is: 19,993.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,770.62 : 28,669.59 = 14,485.02 : x
  2. Step 2: Convert to fraction form
    20,770.62/28,669.59 = 14,485.02/x
  3. Step 3: Cross multiply
    20,770.62x = 28,669.59 × 14,485.02
  4. Step 4: Simplify right side
    20,770.62x = 415,279,584.54
  5. Step 5: Solve for x
    x = 415,279,584.54/20,770.62
  6. Step 6: Final answer
    x = 19,993.61

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.