Home / 27,190.98-40,783.68-9,419.94

Finding the Fourth Proportional to 27,190.98, 40,783.68 and 9,419.94

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Solution

The fourth proportional to 27,190.98, 40,783.68 and 9,419.94 is: 14,128.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,190.98 : 40,783.68 = 9,419.94 : x
  2. Step 2: Convert to fraction form
    27,190.98/40,783.68 = 9,419.94/x
  3. Step 3: Cross multiply
    27,190.98x = 40,783.68 × 9,419.94
  4. Step 4: Simplify right side
    27,190.98x = 384,179,818.58
  5. Step 5: Solve for x
    x = 384,179,818.58/27,190.98
  6. Step 6: Final answer
    x = 14,128.94

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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.