Home / 27,321.03-40,981.55-15,626.05

Finding the Fourth Proportional to 27,321.03, 40,981.55 and 15,626.05

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Solution

The fourth proportional to 27,321.03, 40,981.55 and 15,626.05 is: 23,439.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,321.03 : 40,981.55 = 15,626.05 : x
  2. Step 2: Convert to fraction form
    27,321.03/40,981.55 = 15,626.05/x
  3. Step 3: Cross multiply
    27,321.03x = 40,981.55 × 15,626.05
  4. Step 4: Simplify right side
    27,321.03x = 640,379,568.79
  5. Step 5: Solve for x
    x = 640,379,568.79/27,321.03
  6. Step 6: Final answer
    x = 23,439.07

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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.