Home / 26,939.62-40,410.42-13,776.58

Finding the Fourth Proportional to 26,939.62, 40,410.42 and 13,776.58

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Solution

The fourth proportional to 26,939.62, 40,410.42 and 13,776.58 is: 20,665.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,939.62 : 40,410.42 = 13,776.58 : x
  2. Step 2: Convert to fraction form
    26,939.62/40,410.42 = 13,776.58/x
  3. Step 3: Cross multiply
    26,939.62x = 40,410.42 × 13,776.58
  4. Step 4: Simplify right side
    26,939.62x = 556,717,383.96
  5. Step 5: Solve for x
    x = 556,717,383.96/26,939.62
  6. Step 6: Final answer
    x = 20,665.38

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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.