Home / 27,578.88-38,059.02-15,003.72

Finding the Fourth Proportional to 27,578.88, 38,059.02 and 15,003.72

Calculator

Solution

The fourth proportional to 27,578.88, 38,059.02 and 15,003.72 is: 20,705.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,578.88 : 38,059.02 = 15,003.72 : x
  2. Step 2: Convert to fraction form
    27,578.88/38,059.02 = 15,003.72/x
  3. Step 3: Cross multiply
    27,578.88x = 38,059.02 × 15,003.72
  4. Step 4: Simplify right side
    27,578.88x = 571,026,879.55
  5. Step 5: Solve for x
    x = 571,026,879.55/27,578.88
  6. Step 6: Final answer
    x = 20,705.22

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.