Home / 26,945.90-40,423.34-12,154.49

Finding the Fourth Proportional to 26,945.90, 40,423.34 and 12,154.49

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Solution

The fourth proportional to 26,945.90, 40,423.34 and 12,154.49 is: 18,233.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,945.90 : 40,423.34 = 12,154.49 : x
  2. Step 2: Convert to fraction form
    26,945.90/40,423.34 = 12,154.49/x
  3. Step 3: Cross multiply
    26,945.90x = 40,423.34 × 12,154.49
  4. Step 4: Simplify right side
    26,945.90x = 491,324,910.07
  5. Step 5: Solve for x
    x = 491,324,910.07/26,945.90
  6. Step 6: Final answer
    x = 18,233.76

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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.