Home / 27,148.38-40,723.11-17,847.72

Finding the Fourth Proportional to 27,148.38, 40,723.11 and 17,847.72

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Solution

The fourth proportional to 27,148.38, 40,723.11 and 17,847.72 is: 26,771.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,148.38 : 40,723.11 = 17,847.72 : x
  2. Step 2: Convert to fraction form
    27,148.38/40,723.11 = 17,847.72/x
  3. Step 3: Cross multiply
    27,148.38x = 40,723.11 × 17,847.72
  4. Step 4: Simplify right side
    27,148.38x = 726,814,664.81
  5. Step 5: Solve for x
    x = 726,814,664.81/27,148.38
  6. Step 6: Final answer
    x = 26,771.94

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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.