Home / 23,001.30-31,731.84-13,440.60

Finding the Fourth Proportional to 23,001.30, 31,731.84 and 13,440.60

Calculator

Solution

The fourth proportional to 23,001.30, 31,731.84 and 13,440.60 is: 18,542.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,001.30 : 31,731.84 = 13,440.60 : x
  2. Step 2: Convert to fraction form
    23,001.30/31,731.84 = 13,440.60/x
  3. Step 3: Cross multiply
    23,001.30x = 31,731.84 × 13,440.60
  4. Step 4: Simplify right side
    23,001.30x = 426,494,968.70
  5. Step 5: Solve for x
    x = 426,494,968.70/23,001.30
  6. Step 6: Final answer
    x = 18,542.21

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.