Home / 30,028.56-45,027.96-17,551.72

Finding the Fourth Proportional to 30,028.56, 45,027.96 and 17,551.72

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Solution

The fourth proportional to 30,028.56, 45,027.96 and 17,551.72 is: 26,318.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,028.56 : 45,027.96 = 17,551.72 : x
  2. Step 2: Convert to fraction form
    30,028.56/45,027.96 = 17,551.72/x
  3. Step 3: Cross multiply
    30,028.56x = 45,027.96 × 17,551.72
  4. Step 4: Simplify right side
    30,028.56x = 790,318,146.09
  5. Step 5: Solve for x
    x = 790,318,146.09/30,028.56
  6. Step 6: Final answer
    x = 26,318.88

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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.