Home / 17,926.21-26,889.42-4,778.54

Finding the Fourth Proportional to 17,926.21, 26,889.42 and 4,778.54

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Solution

The fourth proportional to 17,926.21, 26,889.42 and 4,778.54 is: 7,167.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,926.21 : 26,889.42 = 4,778.54 : x
  2. Step 2: Convert to fraction form
    17,926.21/26,889.42 = 4,778.54/x
  3. Step 3: Cross multiply
    17,926.21x = 26,889.42 × 4,778.54
  4. Step 4: Simplify right side
    17,926.21x = 128,492,277.73
  5. Step 5: Solve for x
    x = 128,492,277.73/17,926.21
  6. Step 6: Final answer
    x = 7,167.84

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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.