Home / 25,760-38,640-6,304

Finding the Fourth Proportional to 25,760, 38,640 and 6,304

Calculator

Solution

The fourth proportional to 25,760, 38,640 and 6,304 is: 9,456

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,760 : 38,640 = 6,304 : x
  2. Step 2: Convert to fraction form
    25,760/38,640 = 6,304/x
  3. Step 3: Cross multiply
    25,760x = 38,640 × 6,304
  4. Step 4: Simplify right side
    25,760x = 243,586,560
  5. Step 5: Solve for x
    x = 243,586,560/25,760
  6. Step 6: Final answer
    x = 9,456

Related Problems

Find fourth proportional to 12,880, 19,320 and 3,152
Half scale
Find fourth proportional to 51,520, 77,280 and 12,608
Double scale
Find fourth proportional to 25,761, 38,641.50 and 6,305
Similar ratio
Find fourth proportional to 38,640, 57,960 and 9,456
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.