Home / 26,440.12-39,661.26-8,911.72

Finding the Fourth Proportional to 26,440.12, 39,661.26 and 8,911.72

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Solution

The fourth proportional to 26,440.12, 39,661.26 and 8,911.72 is: 13,367.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,440.12 : 39,661.26 = 8,911.72 : x
  2. Step 2: Convert to fraction form
    26,440.12/39,661.26 = 8,911.72/x
  3. Step 3: Cross multiply
    26,440.12x = 39,661.26 × 8,911.72
  4. Step 4: Simplify right side
    26,440.12x = 353,450,043.97
  5. Step 5: Solve for x
    x = 353,450,043.97/26,440.12
  6. Step 6: Final answer
    x = 13,367.94

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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.