Home / 28,896.07-39,876.44-16,149.25

Finding the Fourth Proportional to 28,896.07, 39,876.44 and 16,149.25

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Solution

The fourth proportional to 28,896.07, 39,876.44 and 16,149.25 is: 22,285.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,896.07 : 39,876.44 = 16,149.25 : x
  2. Step 2: Convert to fraction form
    28,896.07/39,876.44 = 16,149.25/x
  3. Step 3: Cross multiply
    28,896.07x = 39,876.44 × 16,149.25
  4. Step 4: Simplify right side
    28,896.07x = 643,974,399.29
  5. Step 5: Solve for x
    x = 643,974,399.29/28,896.07
  6. Step 6: Final answer
    x = 22,285.88

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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.