Home / 15,382.44-23,071.20-4,287.96

Finding the Fourth Proportional to 15,382.44, 23,071.20 and 4,287.96

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Solution

The fourth proportional to 15,382.44, 23,071.20 and 4,287.96 is: 6,431.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,382.44 : 23,071.20 = 4,287.96 : x
  2. Step 2: Convert to fraction form
    15,382.44/23,071.20 = 4,287.96/x
  3. Step 3: Cross multiply
    15,382.44x = 23,071.20 × 4,287.96
  4. Step 4: Simplify right side
    15,382.44x = 98,928,382.75
  5. Step 5: Solve for x
    x = 98,928,382.75/15,382.44
  6. Step 6: Final answer
    x = 6,431.25

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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.