Home / 26,189.95-39,285.30-7,469.99

Finding the Fourth Proportional to 26,189.95, 39,285.30 and 7,469.99

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Solution

The fourth proportional to 26,189.95, 39,285.30 and 7,469.99 is: 11,205.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,189.95 : 39,285.30 = 7,469.99 : x
  2. Step 2: Convert to fraction form
    26,189.95/39,285.30 = 7,469.99/x
  3. Step 3: Cross multiply
    26,189.95x = 39,285.30 × 7,469.99
  4. Step 4: Simplify right side
    26,189.95x = 293,460,760.80
  5. Step 5: Solve for x
    x = 293,460,760.80/26,189.95
  6. Step 6: Final answer
    x = 11,205.09

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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.