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Finding the Fourth Proportional to 27,168, 37,554.60 and 22,665.48

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Solution

The fourth proportional to 27,168, 37,554.60 and 22,665.48 is: 31,330.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,168 : 37,554.60 = 22,665.48 : x
  2. Step 2: Convert to fraction form
    27,168/37,554.60 = 22,665.48/x
  3. Step 3: Cross multiply
    27,168x = 37,554.60 × 22,665.48
  4. Step 4: Simplify right side
    27,168x = 851,193,035.21
  5. Step 5: Solve for x
    x = 851,193,035.21/27,168
  6. Step 6: Final answer
    x = 31,330.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.