Home / 20,592.75-28,418.03-11,161.31

Finding the Fourth Proportional to 20,592.75, 28,418.03 and 11,161.31

Calculator

Solution

The fourth proportional to 20,592.75, 28,418.03 and 11,161.31 is: 15,402.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,592.75 : 28,418.03 = 11,161.31 : x
  2. Step 2: Convert to fraction form
    20,592.75/28,418.03 = 11,161.31/x
  3. Step 3: Cross multiply
    20,592.75x = 28,418.03 × 11,161.31
  4. Step 4: Simplify right side
    20,592.75x = 317,182,442.42
  5. Step 5: Solve for x
    x = 317,182,442.42/20,592.75
  6. Step 6: Final answer
    x = 15,402.63

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.