Home / 20,795.15-28,702.29-11,844.86

Finding the Fourth Proportional to 20,795.15, 28,702.29 and 11,844.86

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Solution

The fourth proportional to 20,795.15, 28,702.29 and 11,844.86 is: 16,348.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,795.15 : 28,702.29 = 11,844.86 : x
  2. Step 2: Convert to fraction form
    20,795.15/28,702.29 = 11,844.86/x
  3. Step 3: Cross multiply
    20,795.15x = 28,702.29 × 11,844.86
  4. Step 4: Simplify right side
    20,795.15x = 339,974,463.22
  5. Step 5: Solve for x
    x = 339,974,463.22/20,795.15
  6. Step 6: Final answer
    x = 16,348.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.