Home / 86,488.28-129,736.28-26,512.44

Finding the Fourth Proportional to 86,488.28, 129,736.28 and 26,512.44

Calculator

Solution

The fourth proportional to 86,488.28, 129,736.28 and 26,512.44 is: 39,769.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,488.28 : 129,736.28 = 26,512.44 : x
  2. Step 2: Convert to fraction form
    86,488.28/129,736.28 = 26,512.44/x
  3. Step 3: Cross multiply
    86,488.28x = 129,736.28 × 26,512.44
  4. Step 4: Simplify right side
    86,488.28x = 3,439,625,339.32
  5. Step 5: Solve for x
    x = 3,439,625,339.32/86,488.28
  6. Step 6: Final answer
    x = 39,769.84

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.