Home / 27,036.15-40,553.37-8,315.43

Finding the Fourth Proportional to 27,036.15, 40,553.37 and 8,315.43

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Solution

The fourth proportional to 27,036.15, 40,553.37 and 8,315.43 is: 12,472.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,036.15 : 40,553.37 = 8,315.43 : x
  2. Step 2: Convert to fraction form
    27,036.15/40,553.37 = 8,315.43/x
  3. Step 3: Cross multiply
    27,036.15x = 40,553.37 × 8,315.43
  4. Step 4: Simplify right side
    27,036.15x = 337,218,709.50
  5. Step 5: Solve for x
    x = 337,218,709.50/27,036.15
  6. Step 6: Final answer
    x = 12,472.88

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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.