Home / 25,971.80-38,933.02-8,429.36

Finding the Fourth Proportional to 25,971.80, 38,933.02 and 8,429.36

Calculator

Solution

The fourth proportional to 25,971.80, 38,933.02 and 8,429.36 is: 12,636.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,971.80 : 38,933.02 = 8,429.36 : x
  2. Step 2: Convert to fraction form
    25,971.80/38,933.02 = 8,429.36/x
  3. Step 3: Cross multiply
    25,971.80x = 38,933.02 × 8,429.36
  4. Step 4: Simplify right side
    25,971.80x = 328,180,441.47
  5. Step 5: Solve for x
    x = 328,180,441.47/25,971.80
  6. Step 6: Final answer
    x = 12,636.03

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.