Home / 26,750.70-40,135.18-10,115.52

Finding the Fourth Proportional to 26,750.70, 40,135.18 and 10,115.52

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Solution

The fourth proportional to 26,750.70, 40,135.18 and 10,115.52 is: 15,176.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,750.70 : 40,135.18 = 10,115.52 : x
  2. Step 2: Convert to fraction form
    26,750.70/40,135.18 = 10,115.52/x
  3. Step 3: Cross multiply
    26,750.70x = 40,135.18 × 10,115.52
  4. Step 4: Simplify right side
    26,750.70x = 405,988,215.99
  5. Step 5: Solve for x
    x = 405,988,215.99/26,750.70
  6. Step 6: Final answer
    x = 15,176.73

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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.