Home / 27,518.43-41,254.34-10,890.20

Finding the Fourth Proportional to 27,518.43, 41,254.34 and 10,890.20

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Solution

The fourth proportional to 27,518.43, 41,254.34 and 10,890.20 is: 16,326.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,518.43 : 41,254.34 = 10,890.20 : x
  2. Step 2: Convert to fraction form
    27,518.43/41,254.34 = 10,890.20/x
  3. Step 3: Cross multiply
    27,518.43x = 41,254.34 × 10,890.20
  4. Step 4: Simplify right side
    27,518.43x = 449,267,752.75
  5. Step 5: Solve for x
    x = 449,267,752.75/27,518.43
  6. Step 6: Final answer
    x = 16,326.07

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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.