Home / 26,788.82-40,171.28-12,752.86

Finding the Fourth Proportional to 26,788.82, 40,171.28 and 12,752.86

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Solution

The fourth proportional to 26,788.82, 40,171.28 and 12,752.86 is: 19,123.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,788.82 : 40,171.28 = 12,752.86 : x
  2. Step 2: Convert to fraction form
    26,788.82/40,171.28 = 12,752.86/x
  3. Step 3: Cross multiply
    26,788.82x = 40,171.28 × 12,752.86
  4. Step 4: Simplify right side
    26,788.82x = 512,298,709.86
  5. Step 5: Solve for x
    x = 512,298,709.86/26,788.82
  6. Step 6: Final answer
    x = 19,123.60

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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.