Home / 86,096-129,144-27,728

Finding the Fourth Proportional to 86,096, 129,144 and 27,728

Calculator

Solution

The fourth proportional to 86,096, 129,144 and 27,728 is: 41,592

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,096 : 129,144 = 27,728 : x
  2. Step 2: Convert to fraction form
    86,096/129,144 = 27,728/x
  3. Step 3: Cross multiply
    86,096x = 129,144 × 27,728
  4. Step 4: Simplify right side
    86,096x = 3,580,904,832
  5. Step 5: Solve for x
    x = 3,580,904,832/86,096
  6. Step 6: Final answer
    x = 41,592

Related Problems

Find fourth proportional to 43,048, 64,572 and 13,864
Half scale
Find fourth proportional to 172,192, 258,288 and 55,456
Double scale
Find fourth proportional to 86,097, 129,145.50 and 27,729
Similar ratio
Find fourth proportional to 129,144, 193,716 and 41,592
1.5x scale

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.