Home / 27,039.05-40,558.67-8,318.96

Finding the Fourth Proportional to 27,039.05, 40,558.67 and 8,318.96

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Solution

The fourth proportional to 27,039.05, 40,558.67 and 8,318.96 is: 12,478.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,039.05 : 40,558.67 = 8,318.96 : x
  2. Step 2: Convert to fraction form
    27,039.05/40,558.67 = 8,318.96/x
  3. Step 3: Cross multiply
    27,039.05x = 40,558.67 × 8,318.96
  4. Step 4: Simplify right side
    27,039.05x = 337,405,953.38
  5. Step 5: Solve for x
    x = 337,405,953.38/27,039.05
  6. Step 6: Final answer
    x = 12,478.47

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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.