Home / 25,687.99-35,449.67-15,077.80

Finding the Fourth Proportional to 25,687.99, 35,449.67 and 15,077.80

Calculator

Solution

The fourth proportional to 25,687.99, 35,449.67 and 15,077.80 is: 20,807.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,687.99 : 35,449.67 = 15,077.80 : x
  2. Step 2: Convert to fraction form
    25,687.99/35,449.67 = 15,077.80/x
  3. Step 3: Cross multiply
    25,687.99x = 35,449.67 × 15,077.80
  4. Step 4: Simplify right side
    25,687.99x = 534,502,781.69
  5. Step 5: Solve for x
    x = 534,502,781.69/25,687.99
  6. Step 6: Final answer
    x = 20,807.50

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.