Home / 26,688.33-40,007.25-11,889.09

Finding the Fourth Proportional to 26,688.33, 40,007.25 and 11,889.09

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Solution

The fourth proportional to 26,688.33, 40,007.25 and 11,889.09 is: 17,822.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,688.33 : 40,007.25 = 11,889.09 : x
  2. Step 2: Convert to fraction form
    26,688.33/40,007.25 = 11,889.09/x
  3. Step 3: Cross multiply
    26,688.33x = 40,007.25 × 11,889.09
  4. Step 4: Simplify right side
    26,688.33x = 475,649,795.90
  5. Step 5: Solve for x
    x = 475,649,795.90/26,688.33
  6. Step 6: Final answer
    x = 17,822.39

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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.