Home / 28,556.59-42,836.10-8,835.52

Finding the Fourth Proportional to 28,556.59, 42,836.10 and 8,835.52

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Solution

The fourth proportional to 28,556.59, 42,836.10 and 8,835.52 is: 13,253.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,556.59 : 42,836.10 = 8,835.52 : x
  2. Step 2: Convert to fraction form
    28,556.59/42,836.10 = 8,835.52/x
  3. Step 3: Cross multiply
    28,556.59x = 42,836.10 × 8,835.52
  4. Step 4: Simplify right side
    28,556.59x = 378,479,078.05
  5. Step 5: Solve for x
    x = 378,479,078.05/28,556.59
  6. Step 6: Final answer
    x = 13,253.65

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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.