Home / 27,978.24-38,608.74-16,040.88

Finding the Fourth Proportional to 27,978.24, 38,608.74 and 16,040.88

Calculator

Solution

The fourth proportional to 27,978.24, 38,608.74 and 16,040.88 is: 22,135.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,978.24 : 38,608.74 = 16,040.88 : x
  2. Step 2: Convert to fraction form
    27,978.24/38,608.74 = 16,040.88/x
  3. Step 3: Cross multiply
    27,978.24x = 38,608.74 × 16,040.88
  4. Step 4: Simplify right side
    27,978.24x = 619,318,165.29
  5. Step 5: Solve for x
    x = 619,318,165.29/27,978.24
  6. Step 6: Final answer
    x = 22,135.71

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.