Home / 28,449.13-39,259.76-15,873.88

Finding the Fourth Proportional to 28,449.13, 39,259.76 and 15,873.88

Calculator

Solution

The fourth proportional to 28,449.13, 39,259.76 and 15,873.88 is: 21,905.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,449.13 : 39,259.76 = 15,873.88 : x
  2. Step 2: Convert to fraction form
    28,449.13/39,259.76 = 15,873.88/x
  3. Step 3: Cross multiply
    28,449.13x = 39,259.76 × 15,873.88
  4. Step 4: Simplify right side
    28,449.13x = 623,204,660.60
  5. Step 5: Solve for x
    x = 623,204,660.60/28,449.13
  6. Step 6: Final answer
    x = 21,905.93

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.