Home / 26,880.68-40,286.30-11,066.76

Finding the Fourth Proportional to 26,880.68, 40,286.30 and 11,066.76

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Solution

The fourth proportional to 26,880.68, 40,286.30 and 11,066.76 is: 16,585.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,880.68 : 40,286.30 = 11,066.76 : x
  2. Step 2: Convert to fraction form
    26,880.68/40,286.30 = 11,066.76/x
  3. Step 3: Cross multiply
    26,880.68x = 40,286.30 × 11,066.76
  4. Step 4: Simplify right side
    26,880.68x = 445,838,813.39
  5. Step 5: Solve for x
    x = 445,838,813.39/26,880.68
  6. Step 6: Final answer
    x = 16,585.85

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1.5x scale

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.