Home / 27,039.06-40,558.68-8,318.97

Finding the Fourth Proportional to 27,039.06, 40,558.68 and 8,318.97

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Solution

The fourth proportional to 27,039.06, 40,558.68 and 8,318.97 is: 12,478.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,039.06 : 40,558.68 = 8,318.97 : x
  2. Step 2: Convert to fraction form
    27,039.06/40,558.68 = 8,318.97/x
  3. Step 3: Cross multiply
    27,039.06x = 40,558.68 × 8,318.97
  4. Step 4: Simplify right side
    27,039.06x = 337,406,442.16
  5. Step 5: Solve for x
    x = 337,406,442.16/27,039.06
  6. Step 6: Final answer
    x = 12,478.48

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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.