Home / 19,280.52-28,922.82-6,129.81

Finding the Fourth Proportional to 19,280.52, 28,922.82 and 6,129.81

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Solution

The fourth proportional to 19,280.52, 28,922.82 and 6,129.81 is: 9,195.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,280.52 : 28,922.82 = 6,129.81 : x
  2. Step 2: Convert to fraction form
    19,280.52/28,922.82 = 6,129.81/x
  3. Step 3: Cross multiply
    19,280.52x = 28,922.82 × 6,129.81
  4. Step 4: Simplify right side
    19,280.52x = 177,291,391.26
  5. Step 5: Solve for x
    x = 177,291,391.26/19,280.52
  6. Step 6: Final answer
    x = 9,195.36

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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.