Home / 28,924.92-39,916.68-16,992.12

Finding the Fourth Proportional to 28,924.92, 39,916.68 and 16,992.12

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Solution

The fourth proportional to 28,924.92, 39,916.68 and 16,992.12 is: 23,449.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,924.92 : 39,916.68 = 16,992.12 : x
  2. Step 2: Convert to fraction form
    28,924.92/39,916.68 = 16,992.12/x
  3. Step 3: Cross multiply
    28,924.92x = 39,916.68 × 16,992.12
  4. Step 4: Simplify right side
    28,924.92x = 678,269,016.56
  5. Step 5: Solve for x
    x = 678,269,016.56/28,924.92
  6. Step 6: Final answer
    x = 23,449.30

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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.