Home / 28,568.61-42,857.82-9,850.59

Finding the Fourth Proportional to 28,568.61, 42,857.82 and 9,850.59

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Solution

The fourth proportional to 28,568.61, 42,857.82 and 9,850.59 is: 14,777.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,568.61 : 42,857.82 = 9,850.59 : x
  2. Step 2: Convert to fraction form
    28,568.61/42,857.82 = 9,850.59/x
  3. Step 3: Cross multiply
    28,568.61x = 42,857.82 × 9,850.59
  4. Step 4: Simplify right side
    28,568.61x = 422,174,813.11
  5. Step 5: Solve for x
    x = 422,174,813.11/28,568.61
  6. Step 6: Final answer
    x = 14,777.58

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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.