Home / 26,962.86-40,442.40-11,379

Finding the Fourth Proportional to 26,962.86, 40,442.40 and 11,379

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Solution

The fourth proportional to 26,962.86, 40,442.40 and 11,379 is: 17,067.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,962.86 : 40,442.40 = 11,379 : x
  2. Step 2: Convert to fraction form
    26,962.86/40,442.40 = 11,379/x
  3. Step 3: Cross multiply
    26,962.86x = 40,442.40 × 11,379
  4. Step 4: Simplify right side
    26,962.86x = 460,194,069.60
  5. Step 5: Solve for x
    x = 460,194,069.60/26,962.86
  6. Step 6: Final answer
    x = 17,067.70

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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.