Home / 26,702.89-40,078.41-14,233.30

Finding the Fourth Proportional to 26,702.89, 40,078.41 and 14,233.30

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Solution

The fourth proportional to 26,702.89, 40,078.41 and 14,233.30 is: 21,362.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,702.89 : 40,078.41 = 14,233.30 : x
  2. Step 2: Convert to fraction form
    26,702.89/40,078.41 = 14,233.30/x
  3. Step 3: Cross multiply
    26,702.89x = 40,078.41 × 14,233.30
  4. Step 4: Simplify right side
    26,702.89x = 570,448,109.84
  5. Step 5: Solve for x
    x = 570,448,109.84/26,702.89
  6. Step 6: Final answer
    x = 21,362.78

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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.