Home / 19,247.88-28,874.55-5,921.98

Finding the Fourth Proportional to 19,247.88, 28,874.55 and 5,921.98

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Solution

The fourth proportional to 19,247.88, 28,874.55 and 5,921.98 is: 8,883.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,247.88 : 28,874.55 = 5,921.98 : x
  2. Step 2: Convert to fraction form
    19,247.88/28,874.55 = 5,921.98/x
  3. Step 3: Cross multiply
    19,247.88x = 28,874.55 × 5,921.98
  4. Step 4: Simplify right side
    19,247.88x = 170,994,410.52
  5. Step 5: Solve for x
    x = 170,994,410.52/19,247.88
  6. Step 6: Final answer
    x = 8,883.81

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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.