Home / 19,228.79-28,843.49-6,081.28

Finding the Fourth Proportional to 19,228.79, 28,843.49 and 6,081.28

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Solution

The fourth proportional to 19,228.79, 28,843.49 and 6,081.28 is: 9,122.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,228.79 : 28,843.49 = 6,081.28 : x
  2. Step 2: Convert to fraction form
    19,228.79/28,843.49 = 6,081.28/x
  3. Step 3: Cross multiply
    19,228.79x = 28,843.49 × 6,081.28
  4. Step 4: Simplify right side
    19,228.79x = 175,405,281.96
  5. Step 5: Solve for x
    x = 175,405,281.96/19,228.79
  6. Step 6: Final answer
    x = 9,122.01

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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.