Home / 28,447.85-39,239.75-17,269.85

Finding the Fourth Proportional to 28,447.85, 39,239.75 and 17,269.85

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Solution

The fourth proportional to 28,447.85, 39,239.75 and 17,269.85 is: 23,821.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,447.85 : 39,239.75 = 17,269.85 : x
  2. Step 2: Convert to fraction form
    28,447.85/39,239.75 = 17,269.85/x
  3. Step 3: Cross multiply
    28,447.85x = 39,239.75 × 17,269.85
  4. Step 4: Simplify right side
    28,447.85x = 677,664,313.99
  5. Step 5: Solve for x
    x = 677,664,313.99/28,447.85
  6. Step 6: Final answer
    x = 23,821.29

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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.