Home / 18,567.32-27,845.46-5,415.50

Finding the Fourth Proportional to 18,567.32, 27,845.46 and 5,415.50

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Solution

The fourth proportional to 18,567.32, 27,845.46 and 5,415.50 is: 8,121.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,567.32 : 27,845.46 = 5,415.50 : x
  2. Step 2: Convert to fraction form
    18,567.32/27,845.46 = 5,415.50/x
  3. Step 3: Cross multiply
    18,567.32x = 27,845.46 × 5,415.50
  4. Step 4: Simplify right side
    18,567.32x = 150,797,088.63
  5. Step 5: Solve for x
    x = 150,797,088.63/18,567.32
  6. Step 6: Final answer
    x = 8,121.64

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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.