Home / 26,865.27-40,289.81-11,279.43

Finding the Fourth Proportional to 26,865.27, 40,289.81 and 11,279.43

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Solution

The fourth proportional to 26,865.27, 40,289.81 and 11,279.43 is: 16,915.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,865.27 : 40,289.81 = 11,279.43 : x
  2. Step 2: Convert to fraction form
    26,865.27/40,289.81 = 11,279.43/x
  3. Step 3: Cross multiply
    26,865.27x = 40,289.81 × 11,279.43
  4. Step 4: Simplify right side
    26,865.27x = 454,446,035.21
  5. Step 5: Solve for x
    x = 454,446,035.21/26,865.27
  6. Step 6: Final answer
    x = 16,915.74

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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.