Home / 27,243.60-40,885.68-20,239.92

Finding the Fourth Proportional to 27,243.60, 40,885.68 and 20,239.92

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Solution

The fourth proportional to 27,243.60, 40,885.68 and 20,239.92 is: 30,374.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,243.60 : 40,885.68 = 20,239.92 : x
  2. Step 2: Convert to fraction form
    27,243.60/40,885.68 = 20,239.92/x
  3. Step 3: Cross multiply
    27,243.60x = 40,885.68 × 20,239.92
  4. Step 4: Simplify right side
    27,243.60x = 827,522,892.35
  5. Step 5: Solve for x
    x = 827,522,892.35/27,243.60
  6. Step 6: Final answer
    x = 30,374.95

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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.