Home / 16,872.48-23,276.88-11,285.28

Finding the Fourth Proportional to 16,872.48, 23,276.88 and 11,285.28

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Solution

The fourth proportional to 16,872.48, 23,276.88 and 11,285.28 is: 15,568.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,872.48 : 23,276.88 = 11,285.28 : x
  2. Step 2: Convert to fraction form
    16,872.48/23,276.88 = 11,285.28/x
  3. Step 3: Cross multiply
    16,872.48x = 23,276.88 × 11,285.28
  4. Step 4: Simplify right side
    16,872.48x = 262,686,108.33
  5. Step 5: Solve for x
    x = 262,686,108.33/16,872.48
  6. Step 6: Final answer
    x = 15,568.91

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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.