Home / 34,879.21-52,325.70-13,815.29

Finding the Fourth Proportional to 34,879.21, 52,325.70 and 13,815.29

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Solution

The fourth proportional to 34,879.21, 52,325.70 and 13,815.29 is: 20,725.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,879.21 : 52,325.70 = 13,815.29 : x
  2. Step 2: Convert to fraction form
    34,879.21/52,325.70 = 13,815.29/x
  3. Step 3: Cross multiply
    34,879.21x = 52,325.70 × 13,815.29
  4. Step 4: Simplify right side
    34,879.21x = 722,894,798.96
  5. Step 5: Solve for x
    x = 722,894,798.96/34,879.21
  6. Step 6: Final answer
    x = 20,725.67

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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.