Home / 27,288.78-40,933.17-9,763.62

Finding the Fourth Proportional to 27,288.78, 40,933.17 and 9,763.62

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Solution

The fourth proportional to 27,288.78, 40,933.17 and 9,763.62 is: 14,645.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,288.78 : 40,933.17 = 9,763.62 : x
  2. Step 2: Convert to fraction form
    27,288.78/40,933.17 = 9,763.62/x
  3. Step 3: Cross multiply
    27,288.78x = 40,933.17 × 9,763.62
  4. Step 4: Simplify right side
    27,288.78x = 399,655,917.28
  5. Step 5: Solve for x
    x = 399,655,917.28/27,288.78
  6. Step 6: Final answer
    x = 14,645.43

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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.