Home / 28,896.33-43,328.09-17,217.75

Finding the Fourth Proportional to 28,896.33, 43,328.09 and 17,217.75

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Solution

The fourth proportional to 28,896.33, 43,328.09 and 17,217.75 is: 25,816.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,896.33 : 43,328.09 = 17,217.75 : x
  2. Step 2: Convert to fraction form
    28,896.33/43,328.09 = 17,217.75/x
  3. Step 3: Cross multiply
    28,896.33x = 43,328.09 × 17,217.75
  4. Step 4: Simplify right side
    28,896.33x = 746,012,135.51
  5. Step 5: Solve for x
    x = 746,012,135.51/28,896.33
  6. Step 6: Final answer
    x = 25,816.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.