Home / 26,906.34-40,359.06-12,104.78

Finding the Fourth Proportional to 26,906.34, 40,359.06 and 12,104.78

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Solution

The fourth proportional to 26,906.34, 40,359.06 and 12,104.78 is: 18,156.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,906.34 : 40,359.06 = 12,104.78 : x
  2. Step 2: Convert to fraction form
    26,906.34/40,359.06 = 12,104.78/x
  3. Step 3: Cross multiply
    26,906.34x = 40,359.06 × 12,104.78
  4. Step 4: Simplify right side
    26,906.34x = 488,537,542.31
  5. Step 5: Solve for x
    x = 488,537,542.31/26,906.34
  6. Step 6: Final answer
    x = 18,156.97

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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.