Home / 57,731.20-86,596.80-16,172.80

Finding the Fourth Proportional to 57,731.20, 86,596.80 and 16,172.80

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Solution

The fourth proportional to 57,731.20, 86,596.80 and 16,172.80 is: 24,259.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,731.20 : 86,596.80 = 16,172.80 : x
  2. Step 2: Convert to fraction form
    57,731.20/86,596.80 = 16,172.80/x
  3. Step 3: Cross multiply
    57,731.20x = 86,596.80 × 16,172.80
  4. Step 4: Simplify right side
    57,731.20x = 1,400,512,727.04
  5. Step 5: Solve for x
    x = 1,400,512,727.04/57,731.20
  6. Step 6: Final answer
    x = 24,259.20

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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.