Home / 28,568.16-42,835.20-11,023.44

Finding the Fourth Proportional to 28,568.16, 42,835.20 and 11,023.44

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Solution

The fourth proportional to 28,568.16, 42,835.20 and 11,023.44 is: 16,528.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,568.16 : 42,835.20 = 11,023.44 : x
  2. Step 2: Convert to fraction form
    28,568.16/42,835.20 = 11,023.44/x
  3. Step 3: Cross multiply
    28,568.16x = 42,835.20 × 11,023.44
  4. Step 4: Simplify right side
    28,568.16x = 472,191,257.09
  5. Step 5: Solve for x
    x = 472,191,257.09/28,568.16
  6. Step 6: Final answer
    x = 16,528.58

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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.