Home / 48,456-72,684-15,624

Finding the Fourth Proportional to 48,456, 72,684 and 15,624

Calculator

Solution

The fourth proportional to 48,456, 72,684 and 15,624 is: 23,436

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,456 : 72,684 = 15,624 : x
  2. Step 2: Convert to fraction form
    48,456/72,684 = 15,624/x
  3. Step 3: Cross multiply
    48,456x = 72,684 × 15,624
  4. Step 4: Simplify right side
    48,456x = 1,135,614,816
  5. Step 5: Solve for x
    x = 1,135,614,816/48,456
  6. Step 6: Final answer
    x = 23,436

Related Problems

Find fourth proportional to 24,228, 36,342 and 7,812
Half scale
Find fourth proportional to 96,912, 145,368 and 31,248
Double scale
Find fourth proportional to 48,457, 72,685.50 and 15,625
Similar ratio
Find fourth proportional to 72,684, 109,026 and 23,436
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.