Home / 43,288.08-64,905.84-16,961.28

Finding the Fourth Proportional to 43,288.08, 64,905.84 and 16,961.28

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Solution

The fourth proportional to 43,288.08, 64,905.84 and 16,961.28 is: 25,431.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,288.08 : 64,905.84 = 16,961.28 : x
  2. Step 2: Convert to fraction form
    43,288.08/64,905.84 = 16,961.28/x
  3. Step 3: Cross multiply
    43,288.08x = 64,905.84 × 16,961.28
  4. Step 4: Simplify right side
    43,288.08x = 1,100,886,125.88
  5. Step 5: Solve for x
    x = 1,100,886,125.88/43,288.08
  6. Step 6: Final answer
    x = 25,431.62

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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.