Home / 26,221.59-36,162-17,265.78

Finding the Fourth Proportional to 26,221.59, 36,162 and 17,265.78

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Solution

The fourth proportional to 26,221.59, 36,162 and 17,265.78 is: 23,811.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,221.59 : 36,162 = 17,265.78 : x
  2. Step 2: Convert to fraction form
    26,221.59/36,162 = 17,265.78/x
  3. Step 3: Cross multiply
    26,221.59x = 36,162 × 17,265.78
  4. Step 4: Simplify right side
    26,221.59x = 624,365,136.36
  5. Step 5: Solve for x
    x = 624,365,136.36/26,221.59
  6. Step 6: Final answer
    x = 23,811.11

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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.