Home / 19,880.18-29,826.24-8,027.86

Finding the Fourth Proportional to 19,880.18, 29,826.24 and 8,027.86

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Solution

The fourth proportional to 19,880.18, 29,826.24 and 8,027.86 is: 12,044.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,880.18 : 29,826.24 = 8,027.86 : x
  2. Step 2: Convert to fraction form
    19,880.18/29,826.24 = 8,027.86/x
  3. Step 3: Cross multiply
    19,880.18x = 29,826.24 × 8,027.86
  4. Step 4: Simplify right side
    19,880.18x = 239,440,879.05
  5. Step 5: Solve for x
    x = 239,440,879.05/19,880.18
  6. Step 6: Final answer
    x = 12,044.20

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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.