Home / 26,431.25-39,636.99-10,630.94

Finding the Fourth Proportional to 26,431.25, 39,636.99 and 10,630.94

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Solution

The fourth proportional to 26,431.25, 39,636.99 and 10,630.94 is: 15,942.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,431.25 : 39,636.99 = 10,630.94 : x
  2. Step 2: Convert to fraction form
    26,431.25/39,636.99 = 10,630.94/x
  3. Step 3: Cross multiply
    26,431.25x = 39,636.99 × 10,630.94
  4. Step 4: Simplify right side
    26,431.25x = 421,378,345.87
  5. Step 5: Solve for x
    x = 421,378,345.87/26,431.25
  6. Step 6: Final answer
    x = 15,942.43

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1.5x scale

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.