Home / 18,234.40-27,278.70-15,796.30

Finding the Fourth Proportional to 18,234.40, 27,278.70 and 15,796.30

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Solution

The fourth proportional to 18,234.40, 27,278.70 and 15,796.30 is: 23,631.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,234.40 : 27,278.70 = 15,796.30 : x
  2. Step 2: Convert to fraction form
    18,234.40/27,278.70 = 15,796.30/x
  3. Step 3: Cross multiply
    18,234.40x = 27,278.70 × 15,796.30
  4. Step 4: Simplify right side
    18,234.40x = 430,902,528.81
  5. Step 5: Solve for x
    x = 430,902,528.81/18,234.40
  6. Step 6: Final answer
    x = 23,631.30

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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.