Home / 28,450.39-39,269.87-16,519.09

Finding the Fourth Proportional to 28,450.39, 39,269.87 and 16,519.09

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Solution

The fourth proportional to 28,450.39, 39,269.87 and 16,519.09 is: 22,801.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,450.39 : 39,269.87 = 16,519.09 : x
  2. Step 2: Convert to fraction form
    28,450.39/39,269.87 = 16,519.09/x
  3. Step 3: Cross multiply
    28,450.39x = 39,269.87 × 16,519.09
  4. Step 4: Simplify right side
    28,450.39x = 648,702,516.82
  5. Step 5: Solve for x
    x = 648,702,516.82/28,450.39
  6. Step 6: Final answer
    x = 22,801.18

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1.5x scale

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.