Home / 28,562.96-42,846.25-8,839.86

Finding the Fourth Proportional to 28,562.96, 42,846.25 and 8,839.86

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Solution

The fourth proportional to 28,562.96, 42,846.25 and 8,839.86 is: 13,260.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,562.96 : 42,846.25 = 8,839.86 : x
  2. Step 2: Convert to fraction form
    28,562.96/42,846.25 = 8,839.86/x
  3. Step 3: Cross multiply
    28,562.96x = 42,846.25 × 8,839.86
  4. Step 4: Simplify right side
    28,562.96x = 378,754,637.29
  5. Step 5: Solve for x
    x = 378,754,637.29/28,562.96
  6. Step 6: Final answer
    x = 13,260.34

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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.