Home / 26,629.08-39,949.76-7,908.70

Finding the Fourth Proportional to 26,629.08, 39,949.76 and 7,908.70

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Solution

The fourth proportional to 26,629.08, 39,949.76 and 7,908.70 is: 11,864.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,629.08 : 39,949.76 = 7,908.70 : x
  2. Step 2: Convert to fraction form
    26,629.08/39,949.76 = 7,908.70/x
  3. Step 3: Cross multiply
    26,629.08x = 39,949.76 × 7,908.70
  4. Step 4: Simplify right side
    26,629.08x = 315,950,666.91
  5. Step 5: Solve for x
    x = 315,950,666.91/26,629.08
  6. Step 6: Final answer
    x = 11,864.87

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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.