Home / 30,628.44-42,263.82-17,196.96

Finding the Fourth Proportional to 30,628.44, 42,263.82 and 17,196.96

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Solution

The fourth proportional to 30,628.44, 42,263.82 and 17,196.96 is: 23,729.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,628.44 : 42,263.82 = 17,196.96 : x
  2. Step 2: Convert to fraction form
    30,628.44/42,263.82 = 17,196.96/x
  3. Step 3: Cross multiply
    30,628.44x = 42,263.82 × 17,196.96
  4. Step 4: Simplify right side
    30,628.44x = 726,809,221.99
  5. Step 5: Solve for x
    x = 726,809,221.99/30,628.44
  6. Step 6: Final answer
    x = 23,729.88

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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.