Home / 28,833.89-39,791.05-16,086.96

Finding the Fourth Proportional to 28,833.89, 39,791.05 and 16,086.96

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Solution

The fourth proportional to 28,833.89, 39,791.05 and 16,086.96 is: 22,200.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,833.89 : 39,791.05 = 16,086.96 : x
  2. Step 2: Convert to fraction form
    28,833.89/39,791.05 = 16,086.96/x
  3. Step 3: Cross multiply
    28,833.89x = 39,791.05 × 16,086.96
  4. Step 4: Simplify right side
    28,833.89x = 640,116,989.49
  5. Step 5: Solve for x
    x = 640,116,989.49/28,833.89
  6. Step 6: Final answer
    x = 22,200.16

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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.