Home / 48,072-72,108-15,240

Finding the Fourth Proportional to 48,072, 72,108 and 15,240

Calculator

Solution

The fourth proportional to 48,072, 72,108 and 15,240 is: 22,860

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,072 : 72,108 = 15,240 : x
  2. Step 2: Convert to fraction form
    48,072/72,108 = 15,240/x
  3. Step 3: Cross multiply
    48,072x = 72,108 × 15,240
  4. Step 4: Simplify right side
    48,072x = 1,098,925,920
  5. Step 5: Solve for x
    x = 1,098,925,920/48,072
  6. Step 6: Final answer
    x = 22,860

Related Problems

Find fourth proportional to 24,036, 36,054 and 7,620
Half scale
Find fourth proportional to 96,144, 144,216 and 30,480
Double scale
Find fourth proportional to 48,073, 72,109.50 and 15,241
Similar ratio
Find fourth proportional to 72,108, 108,162 and 22,860
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.