Home / 28,676.70-42,960.38-16,801.29

Finding the Fourth Proportional to 28,676.70, 42,960.38 and 16,801.29

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Solution

The fourth proportional to 28,676.70, 42,960.38 and 16,801.29 is: 25,169.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,676.70 : 42,960.38 = 16,801.29 : x
  2. Step 2: Convert to fraction form
    28,676.70/42,960.38 = 16,801.29/x
  3. Step 3: Cross multiply
    28,676.70x = 42,960.38 × 16,801.29
  4. Step 4: Simplify right side
    28,676.70x = 721,789,718.88
  5. Step 5: Solve for x
    x = 721,789,718.88/28,676.70
  6. Step 6: Final answer
    x = 25,169.90

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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.