Home / 28,911.87-39,898.44-16,336.62

Finding the Fourth Proportional to 28,911.87, 39,898.44 and 16,336.62

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Solution

The fourth proportional to 28,911.87, 39,898.44 and 16,336.62 is: 22,544.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,911.87 : 39,898.44 = 16,336.62 : x
  2. Step 2: Convert to fraction form
    28,911.87/39,898.44 = 16,336.62/x
  3. Step 3: Cross multiply
    28,911.87x = 39,898.44 × 16,336.62
  4. Step 4: Simplify right side
    28,911.87x = 651,805,652.87
  5. Step 5: Solve for x
    x = 651,805,652.87/28,911.87
  6. Step 6: Final answer
    x = 22,544.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.