Home / 28,944.56-43,424.60-12,305.36

Finding the Fourth Proportional to 28,944.56, 43,424.60 and 12,305.36

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Solution

The fourth proportional to 28,944.56, 43,424.60 and 12,305.36 is: 18,461.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,944.56 : 43,424.60 = 12,305.36 : x
  2. Step 2: Convert to fraction form
    28,944.56/43,424.60 = 12,305.36/x
  3. Step 3: Cross multiply
    28,944.56x = 43,424.60 × 12,305.36
  4. Step 4: Simplify right side
    28,944.56x = 534,355,335.86
  5. Step 5: Solve for x
    x = 534,355,335.86/28,944.56
  6. Step 6: Final answer
    x = 18,461.34

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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.