Home / 28,993.15-43,427.23-19,581.41

Finding the Fourth Proportional to 28,993.15, 43,427.23 and 19,581.41

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Solution

The fourth proportional to 28,993.15, 43,427.23 and 19,581.41 is: 29,329.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,993.15 : 43,427.23 = 19,581.41 : x
  2. Step 2: Convert to fraction form
    28,993.15/43,427.23 = 19,581.41/x
  3. Step 3: Cross multiply
    28,993.15x = 43,427.23 × 19,581.41
  4. Step 4: Simplify right side
    28,993.15x = 850,366,211.13
  5. Step 5: Solve for x
    x = 850,366,211.13/28,993.15
  6. Step 6: Final answer
    x = 29,329.91

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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.