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Finding the Fourth Proportional to 27,765.99, 41,672.27 and 14,447.16

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Solution

The fourth proportional to 27,765.99, 41,672.27 and 14,447.16 is: 21,682.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,765.99 : 41,672.27 = 14,447.16 : x
  2. Step 2: Convert to fraction form
    27,765.99/41,672.27 = 14,447.16/x
  3. Step 3: Cross multiply
    27,765.99x = 41,672.27 × 14,447.16
  4. Step 4: Simplify right side
    27,765.99x = 602,045,988.37
  5. Step 5: Solve for x
    x = 602,045,988.37/27,765.99
  6. Step 6: Final answer
    x = 21,682.86

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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.