Home / 27,583.20-41,342.40-12,760.81

Finding the Fourth Proportional to 27,583.20, 41,342.40 and 12,760.81

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Solution

The fourth proportional to 27,583.20, 41,342.40 and 12,760.81 is: 19,126.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,583.20 : 41,342.40 = 12,760.81 : x
  2. Step 2: Convert to fraction form
    27,583.20/41,342.40 = 12,760.81/x
  3. Step 3: Cross multiply
    27,583.20x = 41,342.40 × 12,760.81
  4. Step 4: Simplify right side
    27,583.20x = 527,562,407.99
  5. Step 5: Solve for x
    x = 527,562,407.99/27,583.20
  6. Step 6: Final answer
    x = 19,126.22

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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.