Home / 19,266.78-28,916.64-13,733.67

Finding the Fourth Proportional to 19,266.78, 28,916.64 and 13,733.67

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Solution

The fourth proportional to 19,266.78, 28,916.64 and 13,733.67 is: 20,612.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,266.78 : 28,916.64 = 13,733.67 : x
  2. Step 2: Convert to fraction form
    19,266.78/28,916.64 = 13,733.67/x
  3. Step 3: Cross multiply
    19,266.78x = 28,916.64 × 13,733.67
  4. Step 4: Simplify right side
    19,266.78x = 397,131,591.27
  5. Step 5: Solve for x
    x = 397,131,591.27/19,266.78
  6. Step 6: Final answer
    x = 20,612.25

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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.