Home / 26,004.03-39,010.10-8,469.78

Finding the Fourth Proportional to 26,004.03, 39,010.10 and 8,469.78

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Solution

The fourth proportional to 26,004.03, 39,010.10 and 8,469.78 is: 12,705.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,004.03 : 39,010.10 = 8,469.78 : x
  2. Step 2: Convert to fraction form
    26,004.03/39,010.10 = 8,469.78/x
  3. Step 3: Cross multiply
    26,004.03x = 39,010.10 × 8,469.78
  4. Step 4: Simplify right side
    26,004.03x = 330,406,964.78
  5. Step 5: Solve for x
    x = 330,406,964.78/26,004.03
  6. Step 6: Final answer
    x = 12,705.99

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1.5x scale

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.