Home / 28,716.84-39,619.44-17,954.34

Finding the Fourth Proportional to 28,716.84, 39,619.44 and 17,954.34

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Solution

The fourth proportional to 28,716.84, 39,619.44 and 17,954.34 is: 24,770.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,716.84 : 39,619.44 = 17,954.34 : x
  2. Step 2: Convert to fraction form
    28,716.84/39,619.44 = 17,954.34/x
  3. Step 3: Cross multiply
    28,716.84x = 39,619.44 × 17,954.34
  4. Step 4: Simplify right side
    28,716.84x = 711,340,896.37
  5. Step 5: Solve for x
    x = 711,340,896.37/28,716.84
  6. Step 6: Final answer
    x = 24,770.86

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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.