Home / 19,093.20-28,605.91-7,975.42

Finding the Fourth Proportional to 19,093.20, 28,605.91 and 7,975.42

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Solution

The fourth proportional to 19,093.20, 28,605.91 and 7,975.42 is: 11,948.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,093.20 : 28,605.91 = 7,975.42 : x
  2. Step 2: Convert to fraction form
    19,093.20/28,605.91 = 7,975.42/x
  3. Step 3: Cross multiply
    19,093.20x = 28,605.91 × 7,975.42
  4. Step 4: Simplify right side
    19,093.20x = 228,144,138.82
  5. Step 5: Solve for x
    x = 228,144,138.82/19,093.20
  6. Step 6: Final answer
    x = 11,948.97

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1.5x scale

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.