Home / 21,591.88-29,804.25-12,642.26

Finding the Fourth Proportional to 21,591.88, 29,804.25 and 12,642.26

Calculator

Solution

The fourth proportional to 21,591.88, 29,804.25 and 12,642.26 is: 17,450.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,591.88 : 29,804.25 = 12,642.26 : x
  2. Step 2: Convert to fraction form
    21,591.88/29,804.25 = 12,642.26/x
  3. Step 3: Cross multiply
    21,591.88x = 29,804.25 × 12,642.26
  4. Step 4: Simplify right side
    21,591.88x = 376,792,865.37
  5. Step 5: Solve for x
    x = 376,792,865.37/21,591.88
  6. Step 6: Final answer
    x = 17,450.68

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.