Home / 22,764.78-31,420.44-12,696.75

Finding the Fourth Proportional to 22,764.78, 31,420.44 and 12,696.75

Calculator

Solution

The fourth proportional to 22,764.78, 31,420.44 and 12,696.75 is: 17,524.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,764.78 : 31,420.44 = 12,696.75 : x
  2. Step 2: Convert to fraction form
    22,764.78/31,420.44 = 12,696.75/x
  3. Step 3: Cross multiply
    22,764.78x = 31,420.44 × 12,696.75
  4. Step 4: Simplify right side
    22,764.78x = 398,937,471.57
  5. Step 5: Solve for x
    x = 398,937,471.57/22,764.78
  6. Step 6: Final answer
    x = 17,524.33

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.