Home / 27,442.55-37,879.68-16,111.77

Finding the Fourth Proportional to 27,442.55, 37,879.68 and 16,111.77

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Solution

The fourth proportional to 27,442.55, 37,879.68 and 16,111.77 is: 22,239.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,442.55 : 37,879.68 = 16,111.77 : x
  2. Step 2: Convert to fraction form
    27,442.55/37,879.68 = 16,111.77/x
  3. Step 3: Cross multiply
    27,442.55x = 37,879.68 × 16,111.77
  4. Step 4: Simplify right side
    27,442.55x = 610,308,691.83
  5. Step 5: Solve for x
    x = 610,308,691.83/27,442.55
  6. Step 6: Final answer
    x = 22,239.50

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1.5x scale

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.