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Finding the Fourth Proportional to 36,893.28, 55,343.36 and 14,701.28

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Solution

The fourth proportional to 36,893.28, 55,343.36 and 14,701.28 is: 22,053.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,893.28 : 55,343.36 = 14,701.28 : x
  2. Step 2: Convert to fraction form
    36,893.28/55,343.36 = 14,701.28/x
  3. Step 3: Cross multiply
    36,893.28x = 55,343.36 × 14,701.28
  4. Step 4: Simplify right side
    36,893.28x = 813,618,231.50
  5. Step 5: Solve for x
    x = 813,618,231.50/36,893.28
  6. Step 6: Final answer
    x = 22,053.29

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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.