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Finding the Fourth Proportional to 79,277.29, 118,928.22 and 26,682.67

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Solution

The fourth proportional to 79,277.29, 118,928.22 and 26,682.67 is: 40,028.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,277.29 : 118,928.22 = 26,682.67 : x
  2. Step 2: Convert to fraction form
    79,277.29/118,928.22 = 26,682.67/x
  3. Step 3: Cross multiply
    79,277.29x = 118,928.22 × 26,682.67
  4. Step 4: Simplify right side
    79,277.29x = 3,173,322,447.95
  5. Step 5: Solve for x
    x = 3,173,322,447.95/79,277.29
  6. Step 6: Final answer
    x = 40,028.14

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1.5x scale

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.