Home / 52,876.57-79,315.26-17,815.72

Finding the Fourth Proportional to 52,876.57, 79,315.26 and 17,815.72

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Solution

The fourth proportional to 52,876.57, 79,315.26 and 17,815.72 is: 26,723.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,876.57 : 79,315.26 = 17,815.72 : x
  2. Step 2: Convert to fraction form
    52,876.57/79,315.26 = 17,815.72/x
  3. Step 3: Cross multiply
    52,876.57x = 79,315.26 × 17,815.72
  4. Step 4: Simplify right side
    52,876.57x = 1,413,058,176.52
  5. Step 5: Solve for x
    x = 1,413,058,176.52/52,876.57
  6. Step 6: Final answer
    x = 26,723.71

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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.