Home / 28,539.55-39,384.57-15,964.30

Finding the Fourth Proportional to 28,539.55, 39,384.57 and 15,964.30

Calculator

Solution

The fourth proportional to 28,539.55, 39,384.57 and 15,964.30 is: 22,030.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,539.55 : 39,384.57 = 15,964.30 : x
  2. Step 2: Convert to fraction form
    28,539.55/39,384.57 = 15,964.30/x
  3. Step 3: Cross multiply
    28,539.55x = 39,384.57 × 15,964.30
  4. Step 4: Simplify right side
    28,539.55x = 628,747,090.85
  5. Step 5: Solve for x
    x = 628,747,090.85/28,539.55
  6. Step 6: Final answer
    x = 22,030.73

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.