Home / 20,587.46-28,409.22-12,089.94

Finding the Fourth Proportional to 20,587.46, 28,409.22 and 12,089.94

Calculator

Solution

The fourth proportional to 20,587.46, 28,409.22 and 12,089.94 is: 16,683.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,587.46 : 28,409.22 = 12,089.94 : x
  2. Step 2: Convert to fraction form
    20,587.46/28,409.22 = 12,089.94/x
  3. Step 3: Cross multiply
    20,587.46x = 28,409.22 × 12,089.94
  4. Step 4: Simplify right side
    20,587.46x = 343,465,765.25
  5. Step 5: Solve for x
    x = 343,465,765.25/20,587.46
  6. Step 6: Final answer
    x = 16,683.25

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.