Home / 40,315.28-60,485.04-16,287.20

Finding the Fourth Proportional to 40,315.28, 60,485.04 and 16,287.20

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Solution

The fourth proportional to 40,315.28, 60,485.04 and 16,287.20 is: 24,435.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,315.28 : 60,485.04 = 16,287.20 : x
  2. Step 2: Convert to fraction form
    40,315.28/60,485.04 = 16,287.20/x
  3. Step 3: Cross multiply
    40,315.28x = 60,485.04 × 16,287.20
  4. Step 4: Simplify right side
    40,315.28x = 985,131,943.49
  5. Step 5: Solve for x
    x = 985,131,943.49/40,315.28
  6. Step 6: Final answer
    x = 24,435.70

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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.