Home / 28,556.43-42,839.51-8,836.98

Finding the Fourth Proportional to 28,556.43, 42,839.51 and 8,836.98

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Solution

The fourth proportional to 28,556.43, 42,839.51 and 8,836.98 is: 13,256.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,556.43 : 42,839.51 = 8,836.98 : x
  2. Step 2: Convert to fraction form
    28,556.43/42,839.51 = 8,836.98/x
  3. Step 3: Cross multiply
    28,556.43x = 42,839.51 × 8,836.98
  4. Step 4: Simplify right side
    28,556.43x = 378,571,848.89
  5. Step 5: Solve for x
    x = 378,571,848.89/28,556.43
  6. Step 6: Final answer
    x = 13,256.97

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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.