Home / 28,908.56-43,327.26-16,439

Finding the Fourth Proportional to 28,908.56, 43,327.26 and 16,439

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Solution

The fourth proportional to 28,908.56, 43,327.26 and 16,439 is: 24,638.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,908.56 : 43,327.26 = 16,439 : x
  2. Step 2: Convert to fraction form
    28,908.56/43,327.26 = 16,439/x
  3. Step 3: Cross multiply
    28,908.56x = 43,327.26 × 16,439
  4. Step 4: Simplify right side
    28,908.56x = 712,256,827.14
  5. Step 5: Solve for x
    x = 712,256,827.14/28,908.56
  6. Step 6: Final answer
    x = 24,638.27

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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.