Home / 21,674.53-32,505.31-11,280.61

Finding the Fourth Proportional to 21,674.53, 32,505.31 and 11,280.61

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Solution

The fourth proportional to 21,674.53, 32,505.31 and 11,280.61 is: 16,917.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,674.53 : 32,505.31 = 11,280.61 : x
  2. Step 2: Convert to fraction form
    21,674.53/32,505.31 = 11,280.61/x
  3. Step 3: Cross multiply
    21,674.53x = 32,505.31 × 11,280.61
  4. Step 4: Simplify right side
    21,674.53x = 366,679,506.11
  5. Step 5: Solve for x
    x = 366,679,506.11/21,674.53
  6. Step 6: Final answer
    x = 16,917.53

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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.