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Finding the Fourth Proportional to 17,206.76, 25,754.75 and 8,875.31

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Solution

The fourth proportional to 17,206.76, 25,754.75 and 8,875.31 is: 13,284.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,206.76 : 25,754.75 = 8,875.31 : x
  2. Step 2: Convert to fraction form
    17,206.76/25,754.75 = 8,875.31/x
  3. Step 3: Cross multiply
    17,206.76x = 25,754.75 × 8,875.31
  4. Step 4: Simplify right side
    17,206.76x = 228,581,410.23
  5. Step 5: Solve for x
    x = 228,581,410.23/17,206.76
  6. Step 6: Final answer
    x = 13,284.40

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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.