Home / 19,174.32-28,735.56-16,893.36

Finding the Fourth Proportional to 19,174.32, 28,735.56 and 16,893.36

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Solution

The fourth proportional to 19,174.32, 28,735.56 and 16,893.36 is: 25,317.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,174.32 : 28,735.56 = 16,893.36 : x
  2. Step 2: Convert to fraction form
    19,174.32/28,735.56 = 16,893.36/x
  3. Step 3: Cross multiply
    19,174.32x = 28,735.56 × 16,893.36
  4. Step 4: Simplify right side
    19,174.32x = 485,440,159.88
  5. Step 5: Solve for x
    x = 485,440,159.88/19,174.32
  6. Step 6: Final answer
    x = 25,317.20

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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.