Home / 26,927.45-40,408.02-10,288.90

Finding the Fourth Proportional to 26,927.45, 40,408.02 and 10,288.90

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Solution

The fourth proportional to 26,927.45, 40,408.02 and 10,288.90 is: 15,439.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,927.45 : 40,408.02 = 10,288.90 : x
  2. Step 2: Convert to fraction form
    26,927.45/40,408.02 = 10,288.90/x
  3. Step 3: Cross multiply
    26,927.45x = 40,408.02 × 10,288.90
  4. Step 4: Simplify right side
    26,927.45x = 415,754,025.53
  5. Step 5: Solve for x
    x = 415,754,025.53/26,927.45
  6. Step 6: Final answer
    x = 15,439.78

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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.