Home / 27,911.96-38,518.62-16,424

Finding the Fourth Proportional to 27,911.96, 38,518.62 and 16,424

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Solution

The fourth proportional to 27,911.96, 38,518.62 and 16,424 is: 22,665.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,911.96 : 38,518.62 = 16,424 : x
  2. Step 2: Convert to fraction form
    27,911.96/38,518.62 = 16,424/x
  3. Step 3: Cross multiply
    27,911.96x = 38,518.62 × 16,424
  4. Step 4: Simplify right side
    27,911.96x = 632,629,814.88
  5. Step 5: Solve for x
    x = 632,629,814.88/27,911.96
  6. Step 6: Final answer
    x = 22,665.19

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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.