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Finding the Fourth Proportional to 17,326.64, 25,985.98 and 4,847.54

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Solution

The fourth proportional to 17,326.64, 25,985.98 and 4,847.54 is: 7,270.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,326.64 : 25,985.98 = 4,847.54 : x
  2. Step 2: Convert to fraction form
    17,326.64/25,985.98 = 4,847.54/x
  3. Step 3: Cross multiply
    17,326.64x = 25,985.98 × 4,847.54
  4. Step 4: Simplify right side
    17,326.64x = 125,968,077.49
  5. Step 5: Solve for x
    x = 125,968,077.49/17,326.64
  6. Step 6: Final answer
    x = 7,270.20

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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.