Home / 20,585.30-28,406.07-11,633.58

Finding the Fourth Proportional to 20,585.30, 28,406.07 and 11,633.58

Calculator

Solution

The fourth proportional to 20,585.30, 28,406.07 and 11,633.58 is: 16,053.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,585.30 : 28,406.07 = 11,633.58 : x
  2. Step 2: Convert to fraction form
    20,585.30/28,406.07 = 11,633.58/x
  3. Step 3: Cross multiply
    20,585.30x = 28,406.07 × 11,633.58
  4. Step 4: Simplify right side
    20,585.30x = 330,464,287.83
  5. Step 5: Solve for x
    x = 330,464,287.83/20,585.30
  6. Step 6: Final answer
    x = 16,053.42

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.