Home / 27,020.46-37,288.26-15,083.78

Finding the Fourth Proportional to 27,020.46, 37,288.26 and 15,083.78

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Solution

The fourth proportional to 27,020.46, 37,288.26 and 15,083.78 is: 20,815.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,020.46 : 37,288.26 = 15,083.78 : x
  2. Step 2: Convert to fraction form
    27,020.46/37,288.26 = 15,083.78/x
  3. Step 3: Cross multiply
    27,020.46x = 37,288.26 × 15,083.78
  4. Step 4: Simplify right side
    27,020.46x = 562,447,910.42
  5. Step 5: Solve for x
    x = 562,447,910.42/27,020.46
  6. Step 6: Final answer
    x = 20,815.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.