Home / 26,711.66-40,076.68-11,930.78

Finding the Fourth Proportional to 26,711.66, 40,076.68 and 11,930.78

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Solution

The fourth proportional to 26,711.66, 40,076.68 and 11,930.78 is: 17,900.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,711.66 : 40,076.68 = 11,930.78 : x
  2. Step 2: Convert to fraction form
    26,711.66/40,076.68 = 11,930.78/x
  3. Step 3: Cross multiply
    26,711.66x = 40,076.68 × 11,930.78
  4. Step 4: Simplify right side
    26,711.66x = 478,146,052.21
  5. Step 5: Solve for x
    x = 478,146,052.21/26,711.66
  6. Step 6: Final answer
    x = 17,900.27

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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.