Home / 26,013.96-39,010.01-18,949.95

Finding the Fourth Proportional to 26,013.96, 39,010.01 and 18,949.95

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Solution

The fourth proportional to 26,013.96, 39,010.01 and 18,949.95 is: 28,416.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,013.96 : 39,010.01 = 18,949.95 : x
  2. Step 2: Convert to fraction form
    26,013.96/39,010.01 = 18,949.95/x
  3. Step 3: Cross multiply
    26,013.96x = 39,010.01 × 18,949.95
  4. Step 4: Simplify right side
    26,013.96x = 739,237,644.25
  5. Step 5: Solve for x
    x = 739,237,644.25/26,013.96
  6. Step 6: Final answer
    x = 28,416.96

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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.