Home / 26,201.68-39,258.72-11,388.40

Finding the Fourth Proportional to 26,201.68, 39,258.72 and 11,388.40

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Solution

The fourth proportional to 26,201.68, 39,258.72 and 11,388.40 is: 17,063.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,201.68 : 39,258.72 = 11,388.40 : x
  2. Step 2: Convert to fraction form
    26,201.68/39,258.72 = 11,388.40/x
  3. Step 3: Cross multiply
    26,201.68x = 39,258.72 × 11,388.40
  4. Step 4: Simplify right side
    26,201.68x = 447,094,006.85
  5. Step 5: Solve for x
    x = 447,094,006.85/26,201.68
  6. Step 6: Final answer
    x = 17,063.56

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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.