Home / 27,848.05-41,778.23-13,815.71

Finding the Fourth Proportional to 27,848.05, 41,778.23 and 13,815.71

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Solution

The fourth proportional to 27,848.05, 41,778.23 and 13,815.71 is: 20,726.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,848.05 : 41,778.23 = 13,815.71 : x
  2. Step 2: Convert to fraction form
    27,848.05/41,778.23 = 13,815.71/x
  3. Step 3: Cross multiply
    27,848.05x = 41,778.23 × 13,815.71
  4. Step 4: Simplify right side
    27,848.05x = 577,196,101.41
  5. Step 5: Solve for x
    x = 577,196,101.41/27,848.05
  6. Step 6: Final answer
    x = 20,726.62

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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.