Home / 28,823.06-43,239.08-12,183.16

Finding the Fourth Proportional to 28,823.06, 43,239.08 and 12,183.16

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Solution

The fourth proportional to 28,823.06, 43,239.08 and 12,183.16 is: 18,276.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,823.06 : 43,239.08 = 12,183.16 : x
  2. Step 2: Convert to fraction form
    28,823.06/43,239.08 = 12,183.16/x
  3. Step 3: Cross multiply
    28,823.06x = 43,239.08 × 12,183.16
  4. Step 4: Simplify right side
    28,823.06x = 526,788,629.89
  5. Step 5: Solve for x
    x = 526,788,629.89/28,823.06
  6. Step 6: Final answer
    x = 18,276.64

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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.