Home / 26,004.38-39,000.04-7,279.56

Finding the Fourth Proportional to 26,004.38, 39,000.04 and 7,279.56

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Solution

The fourth proportional to 26,004.38, 39,000.04 and 7,279.56 is: 10,917.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,004.38 : 39,000.04 = 7,279.56 : x
  2. Step 2: Convert to fraction form
    26,004.38/39,000.04 = 7,279.56/x
  3. Step 3: Cross multiply
    26,004.38x = 39,000.04 × 7,279.56
  4. Step 4: Simplify right side
    26,004.38x = 283,903,112.98
  5. Step 5: Solve for x
    x = 283,903,112.98/26,004.38
  6. Step 6: Final answer
    x = 10,917.51

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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.