Home / 20,226.87-27,913.22-11,274.95

Finding the Fourth Proportional to 20,226.87, 27,913.22 and 11,274.95

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Solution

The fourth proportional to 20,226.87, 27,913.22 and 11,274.95 is: 15,559.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,226.87 : 27,913.22 = 11,274.95 : x
  2. Step 2: Convert to fraction form
    20,226.87/27,913.22 = 11,274.95/x
  3. Step 3: Cross multiply
    20,226.87x = 27,913.22 × 11,274.95
  4. Step 4: Simplify right side
    20,226.87x = 314,720,159.84
  5. Step 5: Solve for x
    x = 314,720,159.84/20,226.87
  6. Step 6: Final answer
    x = 15,559.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.