Home / 28,100.44-42,138.24-14,949.69

Finding the Fourth Proportional to 28,100.44, 42,138.24 and 14,949.69

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Solution

The fourth proportional to 28,100.44, 42,138.24 and 14,949.69 is: 22,417.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,100.44 : 42,138.24 = 14,949.69 : x
  2. Step 2: Convert to fraction form
    28,100.44/42,138.24 = 14,949.69/x
  3. Step 3: Cross multiply
    28,100.44x = 42,138.24 × 14,949.69
  4. Step 4: Simplify right side
    28,100.44x = 629,953,625.15
  5. Step 5: Solve for x
    x = 629,953,625.15/28,100.44
  6. Step 6: Final answer
    x = 22,417.93

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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.