Home / 28,699.70-43,055.46-12,049.94

Finding the Fourth Proportional to 28,699.70, 43,055.46 and 12,049.94

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Solution

The fourth proportional to 28,699.70, 43,055.46 and 12,049.94 is: 18,077.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,699.70 : 43,055.46 = 12,049.94 : x
  2. Step 2: Convert to fraction form
    28,699.70/43,055.46 = 12,049.94/x
  3. Step 3: Cross multiply
    28,699.70x = 43,055.46 × 12,049.94
  4. Step 4: Simplify right side
    28,699.70x = 518,815,709.67
  5. Step 5: Solve for x
    x = 518,815,709.67/28,699.70
  6. Step 6: Final answer
    x = 18,077.39

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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.