Home / 25,643.90-38,465.85-7,175.90

Finding the Fourth Proportional to 25,643.90, 38,465.85 and 7,175.90

Calculator

Solution

The fourth proportional to 25,643.90, 38,465.85 and 7,175.90 is: 10,763.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,643.90 : 38,465.85 = 7,175.90 : x
  2. Step 2: Convert to fraction form
    25,643.90/38,465.85 = 7,175.90/x
  3. Step 3: Cross multiply
    25,643.90x = 38,465.85 × 7,175.90
  4. Step 4: Simplify right side
    25,643.90x = 276,027,093.02
  5. Step 5: Solve for x
    x = 276,027,093.02/25,643.90
  6. Step 6: Final answer
    x = 10,763.85

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.