Home / 26,021-39,036.42-10,439.84

Finding the Fourth Proportional to 26,021, 39,036.42 and 10,439.84

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Solution

The fourth proportional to 26,021, 39,036.42 and 10,439.84 is: 15,661.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,021 : 39,036.42 = 10,439.84 : x
  2. Step 2: Convert to fraction form
    26,021/39,036.42 = 10,439.84/x
  3. Step 3: Cross multiply
    26,021x = 39,036.42 × 10,439.84
  4. Step 4: Simplify right side
    26,021x = 407,533,978.97
  5. Step 5: Solve for x
    x = 407,533,978.97/26,021
  6. Step 6: Final answer
    x = 15,661.73

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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.