Home / 26,636.09-39,940.22-7,913.54

Finding the Fourth Proportional to 26,636.09, 39,940.22 and 7,913.54

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Solution

The fourth proportional to 26,636.09, 39,940.22 and 7,913.54 is: 11,866.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,636.09 : 39,940.22 = 7,913.54 : x
  2. Step 2: Convert to fraction form
    26,636.09/39,940.22 = 7,913.54/x
  3. Step 3: Cross multiply
    26,636.09x = 39,940.22 × 7,913.54
  4. Step 4: Simplify right side
    26,636.09x = 316,068,648.21
  5. Step 5: Solve for x
    x = 316,068,648.21/26,636.09
  6. Step 6: Final answer
    x = 11,866.18

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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.