Home / 28,983.24-39,997.86-16,236.96

Finding the Fourth Proportional to 28,983.24, 39,997.86 and 16,236.96

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Solution

The fourth proportional to 28,983.24, 39,997.86 and 16,236.96 is: 22,407.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,983.24 : 39,997.86 = 16,236.96 : x
  2. Step 2: Convert to fraction form
    28,983.24/39,997.86 = 16,236.96/x
  3. Step 3: Cross multiply
    28,983.24x = 39,997.86 × 16,236.96
  4. Step 4: Simplify right side
    28,983.24x = 649,443,652.91
  5. Step 5: Solve for x
    x = 649,443,652.91/28,983.24
  6. Step 6: Final answer
    x = 22,407.56

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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.