Home / 28,618.85-42,913.40-11,093.81

Finding the Fourth Proportional to 28,618.85, 42,913.40 and 11,093.81

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Solution

The fourth proportional to 28,618.85, 42,913.40 and 11,093.81 is: 16,634.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,618.85 : 42,913.40 = 11,093.81 : x
  2. Step 2: Convert to fraction form
    28,618.85/42,913.40 = 11,093.81/x
  3. Step 3: Cross multiply
    28,618.85x = 42,913.40 × 11,093.81
  4. Step 4: Simplify right side
    28,618.85x = 476,073,050.58
  5. Step 5: Solve for x
    x = 476,073,050.58/28,618.85
  6. Step 6: Final answer
    x = 16,634.95

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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.