Home / 28,879.75-43,319.63-10,411.75

Finding the Fourth Proportional to 28,879.75, 43,319.63 and 10,411.75

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Solution

The fourth proportional to 28,879.75, 43,319.63 and 10,411.75 is: 15,617.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,879.75 : 43,319.63 = 10,411.75 : x
  2. Step 2: Convert to fraction form
    28,879.75/43,319.63 = 10,411.75/x
  3. Step 3: Cross multiply
    28,879.75x = 43,319.63 × 10,411.75
  4. Step 4: Simplify right side
    28,879.75x = 451,033,157.65
  5. Step 5: Solve for x
    x = 451,033,157.65/28,879.75
  6. Step 6: Final answer
    x = 15,617.63

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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.