Home / 26,790.90-40,170.15-11,997.06

Finding the Fourth Proportional to 26,790.90, 40,170.15 and 11,997.06

Calculator

Solution

The fourth proportional to 26,790.90, 40,170.15 and 11,997.06 is: 17,988.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,790.90 : 40,170.15 = 11,997.06 : x
  2. Step 2: Convert to fraction form
    26,790.90/40,170.15 = 11,997.06/x
  3. Step 3: Cross multiply
    26,790.90x = 40,170.15 × 11,997.06
  4. Step 4: Simplify right side
    26,790.90x = 481,923,699.76
  5. Step 5: Solve for x
    x = 481,923,699.76/26,790.90
  6. Step 6: Final answer
    x = 17,988.34

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.