Home / 14,231.92-21,345.36-3,842.32

Finding the Fourth Proportional to 14,231.92, 21,345.36 and 3,842.32

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Solution

The fourth proportional to 14,231.92, 21,345.36 and 3,842.32 is: 5,762.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,231.92 : 21,345.36 = 3,842.32 : x
  2. Step 2: Convert to fraction form
    14,231.92/21,345.36 = 3,842.32/x
  3. Step 3: Cross multiply
    14,231.92x = 21,345.36 × 3,842.32
  4. Step 4: Simplify right side
    14,231.92x = 82,015,703.64
  5. Step 5: Solve for x
    x = 82,015,703.64/14,231.92
  6. Step 6: Final answer
    x = 5,762.80

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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.