Home / 27,072.12-40,600.84-18,360.56

Finding the Fourth Proportional to 27,072.12, 40,600.84 and 18,360.56

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Solution

The fourth proportional to 27,072.12, 40,600.84 and 18,360.56 is: 27,535.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,072.12 : 40,600.84 = 18,360.56 : x
  2. Step 2: Convert to fraction form
    27,072.12/40,600.84 = 18,360.56/x
  3. Step 3: Cross multiply
    27,072.12x = 40,600.84 × 18,360.56
  4. Step 4: Simplify right side
    27,072.12x = 745,454,158.87
  5. Step 5: Solve for x
    x = 745,454,158.87/27,072.12
  6. Step 6: Final answer
    x = 27,535.86

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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.