Home / 28,295.26-42,450.11-13,299.48

Finding the Fourth Proportional to 28,295.26, 42,450.11 and 13,299.48

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Solution

The fourth proportional to 28,295.26, 42,450.11 and 13,299.48 is: 19,952.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,295.26 : 42,450.11 = 13,299.48 : x
  2. Step 2: Convert to fraction form
    28,295.26/42,450.11 = 13,299.48/x
  3. Step 3: Cross multiply
    28,295.26x = 42,450.11 × 13,299.48
  4. Step 4: Simplify right side
    28,295.26x = 564,564,388.94
  5. Step 5: Solve for x
    x = 564,564,388.94/28,295.26
  6. Step 6: Final answer
    x = 19,952.61

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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.