Home / 27,265.89-40,910.78-13,236.69

Finding the Fourth Proportional to 27,265.89, 40,910.78 and 13,236.69

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Solution

The fourth proportional to 27,265.89, 40,910.78 and 13,236.69 is: 19,860.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,265.89 : 40,910.78 = 13,236.69 : x
  2. Step 2: Convert to fraction form
    27,265.89/40,910.78 = 13,236.69/x
  3. Step 3: Cross multiply
    27,265.89x = 40,910.78 × 13,236.69
  4. Step 4: Simplify right side
    27,265.89x = 541,523,312.52
  5. Step 5: Solve for x
    x = 541,523,312.52/27,265.89
  6. Step 6: Final answer
    x = 19,860.83

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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.