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Finding the Fourth Proportional to 18,047.66, 27,029.43 and 17,549.42

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Solution

The fourth proportional to 18,047.66, 27,029.43 and 17,549.42 is: 26,283.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,047.66 : 27,029.43 = 17,549.42 : x
  2. Step 2: Convert to fraction form
    18,047.66/27,029.43 = 17,549.42/x
  3. Step 3: Cross multiply
    18,047.66x = 27,029.43 × 17,549.42
  4. Step 4: Simplify right side
    18,047.66x = 474,350,684.28
  5. Step 5: Solve for x
    x = 474,350,684.28/18,047.66
  6. Step 6: Final answer
    x = 26,283.23

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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.