Home / 43,211.28-64,827.12-16,908.96

Finding the Fourth Proportional to 43,211.28, 64,827.12 and 16,908.96

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Solution

The fourth proportional to 43,211.28, 64,827.12 and 16,908.96 is: 25,367.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,211.28 : 64,827.12 = 16,908.96 : x
  2. Step 2: Convert to fraction form
    43,211.28/64,827.12 = 16,908.96/x
  3. Step 3: Cross multiply
    43,211.28x = 64,827.12 × 16,908.96
  4. Step 4: Simplify right side
    43,211.28x = 1,096,159,179.00
  5. Step 5: Solve for x
    x = 1,096,159,179.00/43,211.28
  6. Step 6: Final answer
    x = 25,367.43

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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.