Home / 26,348.09-39,512.61-8,813.81

Finding the Fourth Proportional to 26,348.09, 39,512.61 and 8,813.81

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Solution

The fourth proportional to 26,348.09, 39,512.61 and 8,813.81 is: 13,217.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,348.09 : 39,512.61 = 8,813.81 : x
  2. Step 2: Convert to fraction form
    26,348.09/39,512.61 = 8,813.81/x
  3. Step 3: Cross multiply
    26,348.09x = 39,512.61 × 8,813.81
  4. Step 4: Simplify right side
    26,348.09x = 348,256,735.93
  5. Step 5: Solve for x
    x = 348,256,735.93/26,348.09
  6. Step 6: Final answer
    x = 13,217.54

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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.