Home / 27,823.77-41,742.50-8,102.51

Finding the Fourth Proportional to 27,823.77, 41,742.50 and 8,102.51

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Solution

The fourth proportional to 27,823.77, 41,742.50 and 8,102.51 is: 12,155.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,823.77 : 41,742.50 = 8,102.51 : x
  2. Step 2: Convert to fraction form
    27,823.77/41,742.50 = 8,102.51/x
  3. Step 3: Cross multiply
    27,823.77x = 41,742.50 × 8,102.51
  4. Step 4: Simplify right side
    27,823.77x = 338,219,023.68
  5. Step 5: Solve for x
    x = 338,219,023.68/27,823.77
  6. Step 6: Final answer
    x = 12,155.76

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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.