Home / 19,057.48-28,586.32-8,661.94

Finding the Fourth Proportional to 19,057.48, 28,586.32 and 8,661.94

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Solution

The fourth proportional to 19,057.48, 28,586.32 and 8,661.94 is: 12,992.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,057.48 : 28,586.32 = 8,661.94 : x
  2. Step 2: Convert to fraction form
    19,057.48/28,586.32 = 8,661.94/x
  3. Step 3: Cross multiply
    19,057.48x = 28,586.32 × 8,661.94
  4. Step 4: Simplify right side
    19,057.48x = 247,612,895.54
  5. Step 5: Solve for x
    x = 247,612,895.54/19,057.48
  6. Step 6: Final answer
    x = 12,992.95

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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.