Home / 20,495.53-30,743.30-15,822.36

Finding the Fourth Proportional to 20,495.53, 30,743.30 and 15,822.36

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Solution

The fourth proportional to 20,495.53, 30,743.30 and 15,822.36 is: 23,733.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,495.53 : 30,743.30 = 15,822.36 : x
  2. Step 2: Convert to fraction form
    20,495.53/30,743.30 = 15,822.36/x
  3. Step 3: Cross multiply
    20,495.53x = 30,743.30 × 15,822.36
  4. Step 4: Simplify right side
    20,495.53x = 486,431,327.36
  5. Step 5: Solve for x
    x = 486,431,327.36/20,495.53
  6. Step 6: Final answer
    x = 23,733.54

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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.