Home / 26,739.18-40,119.47-10,103.87

Finding the Fourth Proportional to 26,739.18, 40,119.47 and 10,103.87

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Solution

The fourth proportional to 26,739.18, 40,119.47 and 10,103.87 is: 15,159.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,739.18 : 40,119.47 = 10,103.87 : x
  2. Step 2: Convert to fraction form
    26,739.18/40,119.47 = 10,103.87/x
  3. Step 3: Cross multiply
    26,739.18x = 40,119.47 × 10,103.87
  4. Step 4: Simplify right side
    26,739.18x = 405,361,997.02
  5. Step 5: Solve for x
    x = 405,361,997.02/26,739.18
  6. Step 6: Final answer
    x = 15,159.85

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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.