Home / 28,896.99-43,352.13-12,257.67

Finding the Fourth Proportional to 28,896.99, 43,352.13 and 12,257.67

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Solution

The fourth proportional to 28,896.99, 43,352.13 and 12,257.67 is: 18,389.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,896.99 : 43,352.13 = 12,257.67 : x
  2. Step 2: Convert to fraction form
    28,896.99/43,352.13 = 12,257.67/x
  3. Step 3: Cross multiply
    28,896.99x = 43,352.13 × 12,257.67
  4. Step 4: Simplify right side
    28,896.99x = 531,396,103.34
  5. Step 5: Solve for x
    x = 531,396,103.34/28,896.99
  6. Step 6: Final answer
    x = 18,389.32

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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.