Home / 26,892.48-40,367.76-20,389.68

Finding the Fourth Proportional to 26,892.48, 40,367.76 and 20,389.68

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Solution

The fourth proportional to 26,892.48, 40,367.76 and 20,389.68 is: 30,606.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,892.48 : 40,367.76 = 20,389.68 : x
  2. Step 2: Convert to fraction form
    26,892.48/40,367.76 = 20,389.68/x
  3. Step 3: Cross multiply
    26,892.48x = 40,367.76 × 20,389.68
  4. Step 4: Simplify right side
    26,892.48x = 823,085,708.72
  5. Step 5: Solve for x
    x = 823,085,708.72/26,892.48
  6. Step 6: Final answer
    x = 30,606.54

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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.