Home / 26,067.78-39,103.29-10,485

Finding the Fourth Proportional to 26,067.78, 39,103.29 and 10,485

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Solution

The fourth proportional to 26,067.78, 39,103.29 and 10,485 is: 15,728.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,067.78 : 39,103.29 = 10,485 : x
  2. Step 2: Convert to fraction form
    26,067.78/39,103.29 = 10,485/x
  3. Step 3: Cross multiply
    26,067.78x = 39,103.29 × 10,485
  4. Step 4: Simplify right side
    26,067.78x = 409,997,995.65
  5. Step 5: Solve for x
    x = 409,997,995.65/26,067.78
  6. Step 6: Final answer
    x = 15,728.15

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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.