Home / 26,112.80-39,161.28-7,391.36

Finding the Fourth Proportional to 26,112.80, 39,161.28 and 7,391.36

Calculator

Solution

The fourth proportional to 26,112.80, 39,161.28 and 7,391.36 is: 11,084.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,112.80 : 39,161.28 = 7,391.36 : x
  2. Step 2: Convert to fraction form
    26,112.80/39,161.28 = 7,391.36/x
  3. Step 3: Cross multiply
    26,112.80x = 39,161.28 × 7,391.36
  4. Step 4: Simplify right side
    26,112.80x = 289,455,118.54
  5. Step 5: Solve for x
    x = 289,455,118.54/26,112.80
  6. Step 6: Final answer
    x = 11,084.80

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.