Home / 18,577.79-27,866.58-4,537.89

Finding the Fourth Proportional to 18,577.79, 27,866.58 and 4,537.89

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Solution

The fourth proportional to 18,577.79, 27,866.58 and 4,537.89 is: 6,806.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,577.79 : 27,866.58 = 4,537.89 : x
  2. Step 2: Convert to fraction form
    18,577.79/27,866.58 = 4,537.89/x
  3. Step 3: Cross multiply
    18,577.79x = 27,866.58 × 4,537.89
  4. Step 4: Simplify right side
    18,577.79x = 126,455,474.72
  5. Step 5: Solve for x
    x = 126,455,474.72/18,577.79
  6. Step 6: Final answer
    x = 6,806.81

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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.