Home / 27,036.24-37,318.92-15,858

Finding the Fourth Proportional to 27,036.24, 37,318.92 and 15,858

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Solution

The fourth proportional to 27,036.24, 37,318.92 and 15,858 is: 21,889.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,036.24 : 37,318.92 = 15,858 : x
  2. Step 2: Convert to fraction form
    27,036.24/37,318.92 = 15,858/x
  3. Step 3: Cross multiply
    27,036.24x = 37,318.92 × 15,858
  4. Step 4: Simplify right side
    27,036.24x = 591,803,433.36
  5. Step 5: Solve for x
    x = 591,803,433.36/27,036.24
  6. Step 6: Final answer
    x = 21,889.27

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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.