Home / 26,890.94-40,336.39-8,170.90

Finding the Fourth Proportional to 26,890.94, 40,336.39 and 8,170.90

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Solution

The fourth proportional to 26,890.94, 40,336.39 and 8,170.90 is: 12,256.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,890.94 : 40,336.39 = 8,170.90 : x
  2. Step 2: Convert to fraction form
    26,890.94/40,336.39 = 8,170.90/x
  3. Step 3: Cross multiply
    26,890.94x = 40,336.39 × 8,170.90
  4. Step 4: Simplify right side
    26,890.94x = 329,584,472.46
  5. Step 5: Solve for x
    x = 329,584,472.46/26,890.94
  6. Step 6: Final answer
    x = 12,256.34

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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.