Home / 25,728-38,592-6,272

Finding the Fourth Proportional to 25,728, 38,592 and 6,272

Calculator

Solution

The fourth proportional to 25,728, 38,592 and 6,272 is: 9,408

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,728 : 38,592 = 6,272 : x
  2. Step 2: Convert to fraction form
    25,728/38,592 = 6,272/x
  3. Step 3: Cross multiply
    25,728x = 38,592 × 6,272
  4. Step 4: Simplify right side
    25,728x = 242,049,024
  5. Step 5: Solve for x
    x = 242,049,024/25,728
  6. Step 6: Final answer
    x = 9,408

Related Problems

Find fourth proportional to 12,864, 19,296 and 3,136
Half scale
Find fourth proportional to 51,456, 77,184 and 12,544
Double scale
Find fourth proportional to 25,729, 38,593.50 and 6,273
Similar ratio
Find fourth proportional to 38,592, 57,888 and 9,408
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.