Home / 26,279.55-36,270.45-15,669.86

Finding the Fourth Proportional to 26,279.55, 36,270.45 and 15,669.86

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Solution

The fourth proportional to 26,279.55, 36,270.45 and 15,669.86 is: 21,627.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,279.55 : 36,270.45 = 15,669.86 : x
  2. Step 2: Convert to fraction form
    26,279.55/36,270.45 = 15,669.86/x
  3. Step 3: Cross multiply
    26,279.55x = 36,270.45 × 15,669.86
  4. Step 4: Simplify right side
    26,279.55x = 568,352,692.28
  5. Step 5: Solve for x
    x = 568,352,692.28/26,279.55
  6. Step 6: Final answer
    x = 21,627.19

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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.