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Finding the Fourth Proportional to 25,049.36, 34,580.04 and 15,631.76

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Solution

The fourth proportional to 25,049.36, 34,580.04 and 15,631.76 is: 21,579.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,049.36 : 34,580.04 = 15,631.76 : x
  2. Step 2: Convert to fraction form
    25,049.36/34,580.04 = 15,631.76/x
  3. Step 3: Cross multiply
    25,049.36x = 34,580.04 × 15,631.76
  4. Step 4: Simplify right side
    25,049.36x = 540,546,886.07
  5. Step 5: Solve for x
    x = 540,546,886.07/25,049.36
  6. Step 6: Final answer
    x = 21,579.27

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.