Home / 28,093.56-42,147.54-10,568.40

Finding the Fourth Proportional to 28,093.56, 42,147.54 and 10,568.40

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Solution

The fourth proportional to 28,093.56, 42,147.54 and 10,568.40 is: 15,855.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,093.56 : 42,147.54 = 10,568.40 : x
  2. Step 2: Convert to fraction form
    28,093.56/42,147.54 = 10,568.40/x
  3. Step 3: Cross multiply
    28,093.56x = 42,147.54 × 10,568.40
  4. Step 4: Simplify right side
    28,093.56x = 445,432,061.74
  5. Step 5: Solve for x
    x = 445,432,061.74/28,093.56
  6. Step 6: Final answer
    x = 15,855.31

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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.