Home / 93,984-140,976-28,320

Finding the Fourth Proportional to 93,984, 140,976 and 28,320

Calculator

Solution

The fourth proportional to 93,984, 140,976 and 28,320 is: 42,480

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,984 : 140,976 = 28,320 : x
  2. Step 2: Convert to fraction form
    93,984/140,976 = 28,320/x
  3. Step 3: Cross multiply
    93,984x = 140,976 × 28,320
  4. Step 4: Simplify right side
    93,984x = 3,992,440,320
  5. Step 5: Solve for x
    x = 3,992,440,320/93,984
  6. Step 6: Final answer
    x = 42,480

Related Problems

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.