Home / 28,399.05-39,193.61-17,072.24

Finding the Fourth Proportional to 28,399.05, 39,193.61 and 17,072.24

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Solution

The fourth proportional to 28,399.05, 39,193.61 and 17,072.24 is: 23,561.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,399.05 : 39,193.61 = 17,072.24 : x
  2. Step 2: Convert to fraction form
    28,399.05/39,193.61 = 17,072.24/x
  3. Step 3: Cross multiply
    28,399.05x = 39,193.61 × 17,072.24
  4. Step 4: Simplify right side
    28,399.05x = 669,122,435.06
  5. Step 5: Solve for x
    x = 669,122,435.06/28,399.05
  6. Step 6: Final answer
    x = 23,561.44

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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.