Home / 23,109.96-31,880.46-15,148.68

Finding the Fourth Proportional to 23,109.96, 31,880.46 and 15,148.68

Calculator

Solution

The fourth proportional to 23,109.96, 31,880.46 and 15,148.68 is: 20,897.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,109.96 : 31,880.46 = 15,148.68 : x
  2. Step 2: Convert to fraction form
    23,109.96/31,880.46 = 15,148.68/x
  3. Step 3: Cross multiply
    23,109.96x = 31,880.46 × 15,148.68
  4. Step 4: Simplify right side
    23,109.96x = 482,946,886.79
  5. Step 5: Solve for x
    x = 482,946,886.79/23,109.96
  6. Step 6: Final answer
    x = 20,897.78

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.