Home / 19,829.45-29,751.97-8,728.36

Finding the Fourth Proportional to 19,829.45, 29,751.97 and 8,728.36

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Solution

The fourth proportional to 19,829.45, 29,751.97 and 8,728.36 is: 13,095.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,829.45 : 29,751.97 = 8,728.36 : x
  2. Step 2: Convert to fraction form
    19,829.45/29,751.97 = 8,728.36/x
  3. Step 3: Cross multiply
    19,829.45x = 29,751.97 × 8,728.36
  4. Step 4: Simplify right side
    19,829.45x = 259,685,931.45
  5. Step 5: Solve for x
    x = 259,685,931.45/19,829.45
  6. Step 6: Final answer
    x = 13,095.97

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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.