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Finding the Fourth Proportional to 27,647.99, 41,470.53 and 8,927.67

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Solution

The fourth proportional to 27,647.99, 41,470.53 and 8,927.67 is: 13,391.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,647.99 : 41,470.53 = 8,927.67 : x
  2. Step 2: Convert to fraction form
    27,647.99/41,470.53 = 8,927.67/x
  3. Step 3: Cross multiply
    27,647.99x = 41,470.53 × 8,927.67
  4. Step 4: Simplify right side
    27,647.99x = 370,235,206.57
  5. Step 5: Solve for x
    x = 370,235,206.57/27,647.99
  6. Step 6: Final answer
    x = 13,391.04

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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.