Home / 28,488.38-39,324.46-17,158.36

Finding the Fourth Proportional to 28,488.38, 39,324.46 and 17,158.36

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Solution

The fourth proportional to 28,488.38, 39,324.46 and 17,158.36 is: 23,684.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,488.38 : 39,324.46 = 17,158.36 : x
  2. Step 2: Convert to fraction form
    28,488.38/39,324.46 = 17,158.36/x
  3. Step 3: Cross multiply
    28,488.38x = 39,324.46 × 17,158.36
  4. Step 4: Simplify right side
    28,488.38x = 674,743,241.49
  5. Step 5: Solve for x
    x = 674,743,241.49/28,488.38
  6. Step 6: Final answer
    x = 23,684.86

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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.