Home / 18,265.44-27,237.78-18,099.12

Finding the Fourth Proportional to 18,265.44, 27,237.78 and 18,099.12

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Solution

The fourth proportional to 18,265.44, 27,237.78 and 18,099.12 is: 26,989.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,265.44 : 27,237.78 = 18,099.12 : x
  2. Step 2: Convert to fraction form
    18,265.44/27,237.78 = 18,099.12/x
  3. Step 3: Cross multiply
    18,265.44x = 27,237.78 × 18,099.12
  4. Step 4: Simplify right side
    18,265.44x = 492,979,848.75
  5. Step 5: Solve for x
    x = 492,979,848.75/18,265.44
  6. Step 6: Final answer
    x = 26,989.76

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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.