Home / 18,427.36-27,640.52-4,576.32

Finding the Fourth Proportional to 18,427.36, 27,640.52 and 4,576.32

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Solution

The fourth proportional to 18,427.36, 27,640.52 and 4,576.32 is: 6,864.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,427.36 : 27,640.52 = 4,576.32 : x
  2. Step 2: Convert to fraction form
    18,427.36/27,640.52 = 4,576.32/x
  3. Step 3: Cross multiply
    18,427.36x = 27,640.52 × 4,576.32
  4. Step 4: Simplify right side
    18,427.36x = 126,491,864.49
  5. Step 5: Solve for x
    x = 126,491,864.49/18,427.36
  6. Step 6: Final answer
    x = 6,864.35

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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.