Home / 28,162.26-42,251.36-14,105.31

Finding the Fourth Proportional to 28,162.26, 42,251.36 and 14,105.31

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Solution

The fourth proportional to 28,162.26, 42,251.36 and 14,105.31 is: 21,161.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,162.26 : 42,251.36 = 14,105.31 : x
  2. Step 2: Convert to fraction form
    28,162.26/42,251.36 = 14,105.31/x
  3. Step 3: Cross multiply
    28,162.26x = 42,251.36 × 14,105.31
  4. Step 4: Simplify right side
    28,162.26x = 595,968,460.20
  5. Step 5: Solve for x
    x = 595,968,460.20/28,162.26
  6. Step 6: Final answer
    x = 21,161.95

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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.