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Finding the Fourth Proportional to 15,921.52, 23,882.34 and 4,828.30

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Solution

The fourth proportional to 15,921.52, 23,882.34 and 4,828.30 is: 7,242.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,921.52 : 23,882.34 = 4,828.30 : x
  2. Step 2: Convert to fraction form
    15,921.52/23,882.34 = 4,828.30/x
  3. Step 3: Cross multiply
    15,921.52x = 23,882.34 × 4,828.30
  4. Step 4: Simplify right side
    15,921.52x = 115,311,102.22
  5. Step 5: Solve for x
    x = 115,311,102.22/15,921.52
  6. Step 6: Final answer
    x = 7,242.47

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.