Home / 19,317.75-28,979.10-5,466.75

Finding the Fourth Proportional to 19,317.75, 28,979.10 and 5,466.75

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Solution

The fourth proportional to 19,317.75, 28,979.10 and 5,466.75 is: 8,200.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,317.75 : 28,979.10 = 5,466.75 : x
  2. Step 2: Convert to fraction form
    19,317.75/28,979.10 = 5,466.75/x
  3. Step 3: Cross multiply
    19,317.75x = 28,979.10 × 5,466.75
  4. Step 4: Simplify right side
    19,317.75x = 158,421,494.93
  5. Step 5: Solve for x
    x = 158,421,494.93/19,317.75
  6. Step 6: Final answer
    x = 8,200.83

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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.