Home / 25,712.36-38,475.01-21,228.33

Finding the Fourth Proportional to 25,712.36, 38,475.01 and 21,228.33

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Solution

The fourth proportional to 25,712.36, 38,475.01 and 21,228.33 is: 31,765.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,712.36 : 38,475.01 = 21,228.33 : x
  2. Step 2: Convert to fraction form
    25,712.36/38,475.01 = 21,228.33/x
  3. Step 3: Cross multiply
    25,712.36x = 38,475.01 × 21,228.33
  4. Step 4: Simplify right side
    25,712.36x = 816,760,103.72
  5. Step 5: Solve for x
    x = 816,760,103.72/25,712.36
  6. Step 6: Final answer
    x = 31,765.27

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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.