Home / 26,905.08-40,357.19-12,103.53

Finding the Fourth Proportional to 26,905.08, 40,357.19 and 12,103.53

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Solution

The fourth proportional to 26,905.08, 40,357.19 and 12,103.53 is: 18,155.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,905.08 : 40,357.19 = 12,103.53 : x
  2. Step 2: Convert to fraction form
    26,905.08/40,357.19 = 12,103.53/x
  3. Step 3: Cross multiply
    26,905.08x = 40,357.19 × 12,103.53
  4. Step 4: Simplify right side
    26,905.08x = 488,464,399.36
  5. Step 5: Solve for x
    x = 488,464,399.36/26,905.08
  6. Step 6: Final answer
    x = 18,155.10

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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.