Home / 28,361.88-42,541.09-12,562.27

Finding the Fourth Proportional to 28,361.88, 42,541.09 and 12,562.27

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Solution

The fourth proportional to 28,361.88, 42,541.09 and 12,562.27 is: 18,842.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,361.88 : 42,541.09 = 12,562.27 : x
  2. Step 2: Convert to fraction form
    28,361.88/42,541.09 = 12,562.27/x
  3. Step 3: Cross multiply
    28,361.88x = 42,541.09 × 12,562.27
  4. Step 4: Simplify right side
    28,361.88x = 534,412,658.67
  5. Step 5: Solve for x
    x = 534,412,658.67/28,361.88
  6. Step 6: Final answer
    x = 18,842.64

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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.