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Finding the Fourth Proportional to 18,125, 27,056.52 and 16,827.38

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Solution

The fourth proportional to 18,125, 27,056.52 and 16,827.38 is: 25,119.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,125 : 27,056.52 = 16,827.38 : x
  2. Step 2: Convert to fraction form
    18,125/27,056.52 = 16,827.38/x
  3. Step 3: Cross multiply
    18,125x = 27,056.52 × 16,827.38
  4. Step 4: Simplify right side
    18,125x = 455,290,343.52
  5. Step 5: Solve for x
    x = 455,290,343.52/18,125
  6. Step 6: Final answer
    x = 25,119.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.