Home / 25,687-38,530.50-7,219

Finding the Fourth Proportional to 25,687, 38,530.50 and 7,219

Calculator

Solution

The fourth proportional to 25,687, 38,530.50 and 7,219 is: 10,828.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,687 : 38,530.50 = 7,219 : x
  2. Step 2: Convert to fraction form
    25,687/38,530.50 = 7,219/x
  3. Step 3: Cross multiply
    25,687x = 38,530.50 × 7,219
  4. Step 4: Simplify right side
    25,687x = 278,151,679.50
  5. Step 5: Solve for x
    x = 278,151,679.50/25,687
  6. Step 6: Final answer
    x = 10,828.50

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.