Home / 28,052.82-42,074.24-10,282.50

Finding the Fourth Proportional to 28,052.82, 42,074.24 and 10,282.50

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Solution

The fourth proportional to 28,052.82, 42,074.24 and 10,282.50 is: 15,421.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,052.82 : 42,074.24 = 10,282.50 : x
  2. Step 2: Convert to fraction form
    28,052.82/42,074.24 = 10,282.50/x
  3. Step 3: Cross multiply
    28,052.82x = 42,074.24 × 10,282.50
  4. Step 4: Simplify right side
    28,052.82x = 432,628,321.39
  5. Step 5: Solve for x
    x = 432,628,321.39/28,052.82
  6. Step 6: Final answer
    x = 15,421.92

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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.