Home / 28,986.99-39,702.33-27,284.78

Finding the Fourth Proportional to 28,986.99, 39,702.33 and 27,284.78

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Solution

The fourth proportional to 28,986.99, 39,702.33 and 27,284.78 is: 37,370.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,986.99 : 39,702.33 = 27,284.78 : x
  2. Step 2: Convert to fraction form
    28,986.99/39,702.33 = 27,284.78/x
  3. Step 3: Cross multiply
    28,986.99x = 39,702.33 × 27,284.78
  4. Step 4: Simplify right side
    28,986.99x = 1,083,269,141.03
  5. Step 5: Solve for x
    x = 1,083,269,141.03/28,986.99
  6. Step 6: Final answer
    x = 37,370.87

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.