Home / 38,692.58-58,019.43-17,930.66

Finding the Fourth Proportional to 38,692.58, 58,019.43 and 17,930.66

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Solution

The fourth proportional to 38,692.58, 58,019.43 and 17,930.66 is: 26,886.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,692.58 : 58,019.43 = 17,930.66 : x
  2. Step 2: Convert to fraction form
    38,692.58/58,019.43 = 17,930.66/x
  3. Step 3: Cross multiply
    38,692.58x = 58,019.43 × 17,930.66
  4. Step 4: Simplify right side
    38,692.58x = 1,040,326,672.72
  5. Step 5: Solve for x
    x = 1,040,326,672.72/38,692.58
  6. Step 6: Final answer
    x = 26,886.98

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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.