Home / 26,678.36-36,833.31-17,122.37

Finding the Fourth Proportional to 26,678.36, 36,833.31 and 17,122.37

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Solution

The fourth proportional to 26,678.36, 36,833.31 and 17,122.37 is: 23,639.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,678.36 : 36,833.31 = 17,122.37 : x
  2. Step 2: Convert to fraction form
    26,678.36/36,833.31 = 17,122.37/x
  3. Step 3: Cross multiply
    26,678.36x = 36,833.31 × 17,122.37
  4. Step 4: Simplify right side
    26,678.36x = 630,673,562.14
  5. Step 5: Solve for x
    x = 630,673,562.14/26,678.36
  6. Step 6: Final answer
    x = 23,639.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.