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Finding the Fourth Proportional to 15,745.52, 23,619.64 and 4,058.64

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Solution

The fourth proportional to 15,745.52, 23,619.64 and 4,058.64 is: 6,088.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,745.52 : 23,619.64 = 4,058.64 : x
  2. Step 2: Convert to fraction form
    15,745.52/23,619.64 = 4,058.64/x
  3. Step 3: Cross multiply
    15,745.52x = 23,619.64 × 4,058.64
  4. Step 4: Simplify right side
    15,745.52x = 95,863,615.69
  5. Step 5: Solve for x
    x = 95,863,615.69/15,745.52
  6. Step 6: Final answer
    x = 6,088.31

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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.