Home / 19,105.42-28,641.87-7,252.57

Finding the Fourth Proportional to 19,105.42, 28,641.87 and 7,252.57

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Solution

The fourth proportional to 19,105.42, 28,641.87 and 7,252.57 is: 10,872.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,105.42 : 28,641.87 = 7,252.57 : x
  2. Step 2: Convert to fraction form
    19,105.42/28,641.87 = 7,252.57/x
  3. Step 3: Cross multiply
    19,105.42x = 28,641.87 × 7,252.57
  4. Step 4: Simplify right side
    19,105.42x = 207,727,167.11
  5. Step 5: Solve for x
    x = 207,727,167.11/19,105.42
  6. Step 6: Final answer
    x = 10,872.68

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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.