Home / 28,086.93-42,135.92-9,366.72

Finding the Fourth Proportional to 28,086.93, 42,135.92 and 9,366.72

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Solution

The fourth proportional to 28,086.93, 42,135.92 and 9,366.72 is: 14,051.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,086.93 : 42,135.92 = 9,366.72 : x
  2. Step 2: Convert to fraction form
    28,086.93/42,135.92 = 9,366.72/x
  3. Step 3: Cross multiply
    28,086.93x = 42,135.92 × 9,366.72
  4. Step 4: Simplify right side
    28,086.93x = 394,675,317.75
  5. Step 5: Solve for x
    x = 394,675,317.75/28,086.93
  6. Step 6: Final answer
    x = 14,051.92

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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.