Home / 52,857.68-72,942.97-28,984.15

Finding the Fourth Proportional to 52,857.68, 72,942.97 and 28,984.15

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Solution

The fourth proportional to 52,857.68, 72,942.97 and 28,984.15 is: 39,997.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,857.68 : 72,942.97 = 28,984.15 : x
  2. Step 2: Convert to fraction form
    52,857.68/72,942.97 = 28,984.15/x
  3. Step 3: Cross multiply
    52,857.68x = 72,942.97 × 28,984.15
  4. Step 4: Simplify right side
    52,857.68x = 2,114,189,983.93
  5. Step 5: Solve for x
    x = 2,114,189,983.93/52,857.68
  6. Step 6: Final answer
    x = 39,997.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.