Home / 26,905.44-40,357.76-12,103.91

Finding the Fourth Proportional to 26,905.44, 40,357.76 and 12,103.91

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Solution

The fourth proportional to 26,905.44, 40,357.76 and 12,103.91 is: 18,155.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,905.44 : 40,357.76 = 12,103.91 : x
  2. Step 2: Convert to fraction form
    26,905.44/40,357.76 = 12,103.91/x
  3. Step 3: Cross multiply
    26,905.44x = 40,357.76 × 12,103.91
  4. Step 4: Simplify right side
    26,905.44x = 488,486,432.53
  5. Step 5: Solve for x
    x = 488,486,432.53/26,905.44
  6. Step 6: Final answer
    x = 18,155.68

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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.