Home / 115,232-172,848-27,680

Finding the Fourth Proportional to 115,232, 172,848 and 27,680

Calculator

Solution

The fourth proportional to 115,232, 172,848 and 27,680 is: 41,520

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,232 : 172,848 = 27,680 : x
  2. Step 2: Convert to fraction form
    115,232/172,848 = 27,680/x
  3. Step 3: Cross multiply
    115,232x = 172,848 × 27,680
  4. Step 4: Simplify right side
    115,232x = 4,784,432,640
  5. Step 5: Solve for x
    x = 4,784,432,640/115,232
  6. Step 6: Final answer
    x = 41,520

Related Problems

Find fourth proportional to 57,616, 86,424 and 13,840
Half scale
Find fourth proportional to 230,464, 345,696 and 55,360
Double scale
Find fourth proportional to 115,233, 172,849.50 and 27,681
Similar ratio
Find fourth proportional to 172,848, 259,272 and 41,520
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.