Home / 27,131.72-40,707.66-8,665.16

Finding the Fourth Proportional to 27,131.72, 40,707.66 and 8,665.16

Calculator

Solution

The fourth proportional to 27,131.72, 40,707.66 and 8,665.16 is: 13,000.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,131.72 : 40,707.66 = 8,665.16 : x
  2. Step 2: Convert to fraction form
    27,131.72/40,707.66 = 8,665.16/x
  3. Step 3: Cross multiply
    27,131.72x = 40,707.66 × 8,665.16
  4. Step 4: Simplify right side
    27,131.72x = 352,738,387.13
  5. Step 5: Solve for x
    x = 352,738,387.13/27,131.72
  6. Step 6: Final answer
    x = 13,000.96

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.