Home / 27,313.72-40,956.86-15,919.31

Finding the Fourth Proportional to 27,313.72, 40,956.86 and 15,919.31

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Solution

The fourth proportional to 27,313.72, 40,956.86 and 15,919.31 is: 23,870.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,313.72 : 40,956.86 = 15,919.31 : x
  2. Step 2: Convert to fraction form
    27,313.72/40,956.86 = 15,919.31/x
  3. Step 3: Cross multiply
    27,313.72x = 40,956.86 × 15,919.31
  4. Step 4: Simplify right side
    27,313.72x = 652,004,871.37
  5. Step 5: Solve for x
    x = 652,004,871.37/27,313.72
  6. Step 6: Final answer
    x = 23,870.97

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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.