Home / 19,866.28-29,741.10-15,676.96

Finding the Fourth Proportional to 19,866.28, 29,741.10 and 15,676.96

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Solution

The fourth proportional to 19,866.28, 29,741.10 and 15,676.96 is: 23,469.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,866.28 : 29,741.10 = 15,676.96 : x
  2. Step 2: Convert to fraction form
    19,866.28/29,741.10 = 15,676.96/x
  3. Step 3: Cross multiply
    19,866.28x = 29,741.10 × 15,676.96
  4. Step 4: Simplify right side
    19,866.28x = 466,250,035.06
  5. Step 5: Solve for x
    x = 466,250,035.06/19,866.28
  6. Step 6: Final answer
    x = 23,469.42

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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.