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Finding the Fourth Proportional to 18,084.06, 27,103.01 and 15,734.25

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Solution

The fourth proportional to 18,084.06, 27,103.01 and 15,734.25 is: 23,581.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,084.06 : 27,103.01 = 15,734.25 : x
  2. Step 2: Convert to fraction form
    18,084.06/27,103.01 = 15,734.25/x
  3. Step 3: Cross multiply
    18,084.06x = 27,103.01 × 15,734.25
  4. Step 4: Simplify right side
    18,084.06x = 426,445,456.42
  5. Step 5: Solve for x
    x = 426,445,456.42/18,084.06
  6. Step 6: Final answer
    x = 23,581.29

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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.