Home / 28,945.11-39,939.98-16,369.59

Finding the Fourth Proportional to 28,945.11, 39,939.98 and 16,369.59

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Solution

The fourth proportional to 28,945.11, 39,939.98 and 16,369.59 is: 22,587.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,945.11 : 39,939.98 = 16,369.59 : x
  2. Step 2: Convert to fraction form
    28,945.11/39,939.98 = 16,369.59/x
  3. Step 3: Cross multiply
    28,945.11x = 39,939.98 × 16,369.59
  4. Step 4: Simplify right side
    28,945.11x = 653,801,015.36
  5. Step 5: Solve for x
    x = 653,801,015.36/28,945.11
  6. Step 6: Final answer
    x = 22,587.62

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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.