Home / 16,728.32-23,085.60-9,276.32

Finding the Fourth Proportional to 16,728.32, 23,085.60 and 9,276.32

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Solution

The fourth proportional to 16,728.32, 23,085.60 and 9,276.32 is: 12,801.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,728.32 : 23,085.60 = 9,276.32 : x
  2. Step 2: Convert to fraction form
    16,728.32/23,085.60 = 9,276.32/x
  3. Step 3: Cross multiply
    16,728.32x = 23,085.60 × 9,276.32
  4. Step 4: Simplify right side
    16,728.32x = 214,149,412.99
  5. Step 5: Solve for x
    x = 214,149,412.99/16,728.32
  6. Step 6: Final answer
    x = 12,801.61

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.