Home / 21,865.33-30,183.30-14,795.86

Finding the Fourth Proportional to 21,865.33, 30,183.30 and 14,795.86

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Solution

The fourth proportional to 21,865.33, 30,183.30 and 14,795.86 is: 20,424.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,865.33 : 30,183.30 = 14,795.86 : x
  2. Step 2: Convert to fraction form
    21,865.33/30,183.30 = 14,795.86/x
  3. Step 3: Cross multiply
    21,865.33x = 30,183.30 × 14,795.86
  4. Step 4: Simplify right side
    21,865.33x = 446,587,656.24
  5. Step 5: Solve for x
    x = 446,587,656.24/21,865.33
  6. Step 6: Final answer
    x = 20,424.46

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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.