Home / 43,286.90-64,916.85-16,999.70

Finding the Fourth Proportional to 43,286.90, 64,916.85 and 16,999.70

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Solution

The fourth proportional to 43,286.90, 64,916.85 and 16,999.70 is: 25,494.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,286.90 : 64,916.85 = 16,999.70 : x
  2. Step 2: Convert to fraction form
    43,286.90/64,916.85 = 16,999.70/x
  3. Step 3: Cross multiply
    43,286.90x = 64,916.85 × 16,999.70
  4. Step 4: Simplify right side
    43,286.90x = 1,103,566,974.95
  5. Step 5: Solve for x
    x = 1,103,566,974.95/43,286.90
  6. Step 6: Final answer
    x = 25,494.25

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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.