Home / 27,165.72-37,489.32-15,228.48

Finding the Fourth Proportional to 27,165.72, 37,489.32 and 15,228.48

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Solution

The fourth proportional to 27,165.72, 37,489.32 and 15,228.48 is: 21,015.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,165.72 : 37,489.32 = 15,228.48 : x
  2. Step 2: Convert to fraction form
    27,165.72/37,489.32 = 15,228.48/x
  3. Step 3: Cross multiply
    27,165.72x = 37,489.32 × 15,228.48
  4. Step 4: Simplify right side
    27,165.72x = 570,905,359.83
  5. Step 5: Solve for x
    x = 570,905,359.83/27,165.72
  6. Step 6: Final answer
    x = 21,015.65

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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.