Home / 26,654.61-39,895.10-19,631.85

Finding the Fourth Proportional to 26,654.61, 39,895.10 and 19,631.85

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Solution

The fourth proportional to 26,654.61, 39,895.10 and 19,631.85 is: 29,383.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,654.61 : 39,895.10 = 19,631.85 : x
  2. Step 2: Convert to fraction form
    26,654.61/39,895.10 = 19,631.85/x
  3. Step 3: Cross multiply
    26,654.61x = 39,895.10 × 19,631.85
  4. Step 4: Simplify right side
    26,654.61x = 783,214,618.94
  5. Step 5: Solve for x
    x = 783,214,618.94/26,654.61
  6. Step 6: Final answer
    x = 29,383.84

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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.