Home / 25,739.36-38,611.92-8,205.12

Finding the Fourth Proportional to 25,739.36, 38,611.92 and 8,205.12

Calculator

Solution

The fourth proportional to 25,739.36, 38,611.92 and 8,205.12 is: 12,308.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,739.36 : 38,611.92 = 8,205.12 : x
  2. Step 2: Convert to fraction form
    25,739.36/38,611.92 = 8,205.12/x
  3. Step 3: Cross multiply
    25,739.36x = 38,611.92 × 8,205.12
  4. Step 4: Simplify right side
    25,739.36x = 316,815,437.03
  5. Step 5: Solve for x
    x = 316,815,437.03/25,739.36
  6. Step 6: Final answer
    x = 12,308.60

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.