Home / 19,271.39-28,907.92-6,629.85

Finding the Fourth Proportional to 19,271.39, 28,907.92 and 6,629.85

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Solution

The fourth proportional to 19,271.39, 28,907.92 and 6,629.85 is: 9,945.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,271.39 : 28,907.92 = 6,629.85 : x
  2. Step 2: Convert to fraction form
    19,271.39/28,907.92 = 6,629.85/x
  3. Step 3: Cross multiply
    19,271.39x = 28,907.92 × 6,629.85
  4. Step 4: Simplify right side
    19,271.39x = 191,655,181.70
  5. Step 5: Solve for x
    x = 191,655,181.70/19,271.39
  6. Step 6: Final answer
    x = 9,945.07

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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.