Home / 25,886.85-38,830.31-7,875.23

Finding the Fourth Proportional to 25,886.85, 38,830.31 and 7,875.23

Calculator

Solution

The fourth proportional to 25,886.85, 38,830.31 and 7,875.23 is: 11,812.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,886.85 : 38,830.31 = 7,875.23 : x
  2. Step 2: Convert to fraction form
    25,886.85/38,830.31 = 7,875.23/x
  3. Step 3: Cross multiply
    25,886.85x = 38,830.31 × 7,875.23
  4. Step 4: Simplify right side
    25,886.85x = 305,797,388.69
  5. Step 5: Solve for x
    x = 305,797,388.69/25,886.85
  6. Step 6: Final answer
    x = 11,812.85

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.