Home / 26,418.69-39,629.79-9,778.32

Finding the Fourth Proportional to 26,418.69, 39,629.79 and 9,778.32

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Solution

The fourth proportional to 26,418.69, 39,629.79 and 9,778.32 is: 14,668.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,418.69 : 39,629.79 = 9,778.32 : x
  2. Step 2: Convert to fraction form
    26,418.69/39,629.79 = 9,778.32/x
  3. Step 3: Cross multiply
    26,418.69x = 39,629.79 × 9,778.32
  4. Step 4: Simplify right side
    26,418.69x = 387,512,768.15
  5. Step 5: Solve for x
    x = 387,512,768.15/26,418.69
  6. Step 6: Final answer
    x = 14,668.13

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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.