Home / 28,499.73-39,329.67-17,169.71

Finding the Fourth Proportional to 28,499.73, 39,329.67 and 17,169.71

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Solution

The fourth proportional to 28,499.73, 39,329.67 and 17,169.71 is: 23,694.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,499.73 : 39,329.67 = 17,169.71 : x
  2. Step 2: Convert to fraction form
    28,499.73/39,329.67 = 17,169.71/x
  3. Step 3: Cross multiply
    28,499.73x = 39,329.67 × 17,169.71
  4. Step 4: Simplify right side
    28,499.73x = 675,278,799.45
  5. Step 5: Solve for x
    x = 675,278,799.45/28,499.73
  6. Step 6: Final answer
    x = 23,694.22

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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.