Home / 19,284.26-28,846.40-18,103.28

Finding the Fourth Proportional to 19,284.26, 28,846.40 and 18,103.28

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Solution

The fourth proportional to 19,284.26, 28,846.40 and 18,103.28 is: 27,079.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,284.26 : 28,846.40 = 18,103.28 : x
  2. Step 2: Convert to fraction form
    19,284.26/28,846.40 = 18,103.28/x
  3. Step 3: Cross multiply
    19,284.26x = 28,846.40 × 18,103.28
  4. Step 4: Simplify right side
    19,284.26x = 522,214,221.44
  5. Step 5: Solve for x
    x = 522,214,221.44/19,284.26
  6. Step 6: Final answer
    x = 27,079.82

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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.