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Finding the Fourth Proportional to 69,489, 104,232.04 and 16,898.76

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Solution

The fourth proportional to 69,489, 104,232.04 and 16,898.76 is: 25,347.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,489 : 104,232.04 = 16,898.76 : x
  2. Step 2: Convert to fraction form
    69,489/104,232.04 = 16,898.76/x
  3. Step 3: Cross multiply
    69,489x = 104,232.04 × 16,898.76
  4. Step 4: Simplify right side
    69,489x = 1,761,392,228.27
  5. Step 5: Solve for x
    x = 1,761,392,228.27/69,489
  6. Step 6: Final answer
    x = 25,347.78

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1.5x scale

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.