Home / 26,735.76-36,904.56-15,409.78

Finding the Fourth Proportional to 26,735.76, 36,904.56 and 15,409.78

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Solution

The fourth proportional to 26,735.76, 36,904.56 and 15,409.78 is: 21,270.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,735.76 : 36,904.56 = 15,409.78 : x
  2. Step 2: Convert to fraction form
    26,735.76/36,904.56 = 15,409.78/x
  3. Step 3: Cross multiply
    26,735.76x = 36,904.56 × 15,409.78
  4. Step 4: Simplify right side
    26,735.76x = 568,691,150.60
  5. Step 5: Solve for x
    x = 568,691,150.60/26,735.76
  6. Step 6: Final answer
    x = 21,270.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.