Home / 26,410.32-39,640.14-13,939.56

Finding the Fourth Proportional to 26,410.32, 39,640.14 and 13,939.56

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Solution

The fourth proportional to 26,410.32, 39,640.14 and 13,939.56 is: 20,922.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,410.32 : 39,640.14 = 13,939.56 : x
  2. Step 2: Convert to fraction form
    26,410.32/39,640.14 = 13,939.56/x
  3. Step 3: Cross multiply
    26,410.32x = 39,640.14 × 13,939.56
  4. Step 4: Simplify right side
    26,410.32x = 552,566,109.94
  5. Step 5: Solve for x
    x = 552,566,109.94/26,410.32
  6. Step 6: Final answer
    x = 20,922.36

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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.