Home / 27,891.12-38,490.06-15,144.44

Finding the Fourth Proportional to 27,891.12, 38,490.06 and 15,144.44

Calculator

Solution

The fourth proportional to 27,891.12, 38,490.06 and 15,144.44 is: 20,899.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,891.12 : 38,490.06 = 15,144.44 : x
  2. Step 2: Convert to fraction form
    27,891.12/38,490.06 = 15,144.44/x
  3. Step 3: Cross multiply
    27,891.12x = 38,490.06 × 15,144.44
  4. Step 4: Simplify right side
    27,891.12x = 582,910,404.27
  5. Step 5: Solve for x
    x = 582,910,404.27/27,891.12
  6. Step 6: Final answer
    x = 20,899.50

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.