Home / 28,372.14-42,551.37-12,568.43

Finding the Fourth Proportional to 28,372.14, 42,551.37 and 12,568.43

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Solution

The fourth proportional to 28,372.14, 42,551.37 and 12,568.43 is: 18,849.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,372.14 : 42,551.37 = 12,568.43 : x
  2. Step 2: Convert to fraction form
    28,372.14/42,551.37 = 12,568.43/x
  3. Step 3: Cross multiply
    28,372.14x = 42,551.37 × 12,568.43
  4. Step 4: Simplify right side
    28,372.14x = 534,803,915.25
  5. Step 5: Solve for x
    x = 534,803,915.25/28,372.14
  6. Step 6: Final answer
    x = 18,849.61

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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.