Home / 27,972.39-41,972.67-17,439.69

Finding the Fourth Proportional to 27,972.39, 41,972.67 and 17,439.69

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Solution

The fourth proportional to 27,972.39, 41,972.67 and 17,439.69 is: 26,168.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,972.39 : 41,972.67 = 17,439.69 : x
  2. Step 2: Convert to fraction form
    27,972.39/41,972.67 = 17,439.69/x
  3. Step 3: Cross multiply
    27,972.39x = 41,972.67 × 17,439.69
  4. Step 4: Simplify right side
    27,972.39x = 731,990,353.27
  5. Step 5: Solve for x
    x = 731,990,353.27/27,972.39
  6. Step 6: Final answer
    x = 26,168.32

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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.