Home / 28,699.89-43,056.09-12,050.43

Finding the Fourth Proportional to 28,699.89, 43,056.09 and 12,050.43

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Solution

The fourth proportional to 28,699.89, 43,056.09 and 12,050.43 is: 18,078.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,699.89 : 43,056.09 = 12,050.43 : x
  2. Step 2: Convert to fraction form
    28,699.89/43,056.09 = 12,050.43/x
  3. Step 3: Cross multiply
    28,699.89x = 43,056.09 × 12,050.43
  4. Step 4: Simplify right side
    28,699.89x = 518,844,398.62
  5. Step 5: Solve for x
    x = 518,844,398.62/28,699.89
  6. Step 6: Final answer
    x = 18,078.27

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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.