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Finding the Fourth Proportional to 64,006.80, 96,015.32 and 17,259

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Solution

The fourth proportional to 64,006.80, 96,015.32 and 17,259 is: 25,889.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,006.80 : 96,015.32 = 17,259 : x
  2. Step 2: Convert to fraction form
    64,006.80/96,015.32 = 17,259/x
  3. Step 3: Cross multiply
    64,006.80x = 96,015.32 × 17,259
  4. Step 4: Simplify right side
    64,006.80x = 1,657,128,407.88
  5. Step 5: Solve for x
    x = 1,657,128,407.88/64,006.80
  6. Step 6: Final answer
    x = 25,889.88

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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.