Home / 18,837.69-28,091.82-16,508.49

Finding the Fourth Proportional to 18,837.69, 28,091.82 and 16,508.49

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Solution

The fourth proportional to 18,837.69, 28,091.82 and 16,508.49 is: 24,618.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,837.69 : 28,091.82 = 16,508.49 : x
  2. Step 2: Convert to fraction form
    18,837.69/28,091.82 = 16,508.49/x
  3. Step 3: Cross multiply
    18,837.69x = 28,091.82 × 16,508.49
  4. Step 4: Simplify right side
    18,837.69x = 463,753,529.55
  5. Step 5: Solve for x
    x = 463,753,529.55/18,837.69
  6. Step 6: Final answer
    x = 24,618.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.