Home / 27,285.94-37,654.35-15,349.37

Finding the Fourth Proportional to 27,285.94, 37,654.35 and 15,349.37

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Solution

The fourth proportional to 27,285.94, 37,654.35 and 15,349.37 is: 21,181.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,285.94 : 37,654.35 = 15,349.37 : x
  2. Step 2: Convert to fraction form
    27,285.94/37,654.35 = 15,349.37/x
  3. Step 3: Cross multiply
    27,285.94x = 37,654.35 × 15,349.37
  4. Step 4: Simplify right side
    27,285.94x = 577,970,550.26
  5. Step 5: Solve for x
    x = 577,970,550.26/27,285.94
  6. Step 6: Final answer
    x = 21,181.99

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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.