Home / 28,913.94-43,374.35-10,190.08

Finding the Fourth Proportional to 28,913.94, 43,374.35 and 10,190.08

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Solution

The fourth proportional to 28,913.94, 43,374.35 and 10,190.08 is: 15,286.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,913.94 : 43,374.35 = 10,190.08 : x
  2. Step 2: Convert to fraction form
    28,913.94/43,374.35 = 10,190.08/x
  3. Step 3: Cross multiply
    28,913.94x = 43,374.35 × 10,190.08
  4. Step 4: Simplify right side
    28,913.94x = 441,988,096.45
  5. Step 5: Solve for x
    x = 441,988,096.45/28,913.94
  6. Step 6: Final answer
    x = 15,286.33

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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.