Home / 25,223.88-34,812.42-15,287.88

Finding the Fourth Proportional to 25,223.88, 34,812.42 and 15,287.88

Calculator

Solution

The fourth proportional to 25,223.88, 34,812.42 and 15,287.88 is: 21,099.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,223.88 : 34,812.42 = 15,287.88 : x
  2. Step 2: Convert to fraction form
    25,223.88/34,812.42 = 15,287.88/x
  3. Step 3: Cross multiply
    25,223.88x = 34,812.42 × 15,287.88
  4. Step 4: Simplify right side
    25,223.88x = 532,208,099.47
  5. Step 5: Solve for x
    x = 532,208,099.47/25,223.88
  6. Step 6: Final answer
    x = 21,099.37

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.