Home / 27,576.86-38,054.94-15,639.94

Finding the Fourth Proportional to 27,576.86, 38,054.94 and 15,639.94

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Solution

The fourth proportional to 27,576.86, 38,054.94 and 15,639.94 is: 21,582.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,576.86 : 38,054.94 = 15,639.94 : x
  2. Step 2: Convert to fraction form
    27,576.86/38,054.94 = 15,639.94/x
  3. Step 3: Cross multiply
    27,576.86x = 38,054.94 × 15,639.94
  4. Step 4: Simplify right side
    27,576.86x = 595,176,797.15
  5. Step 5: Solve for x
    x = 595,176,797.15/27,576.86
  6. Step 6: Final answer
    x = 21,582.48

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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.