Home / 28,635.30-42,965.76-11,106.54

Finding the Fourth Proportional to 28,635.30, 42,965.76 and 11,106.54

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Solution

The fourth proportional to 28,635.30, 42,965.76 and 11,106.54 is: 16,664.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,635.30 : 42,965.76 = 11,106.54 : x
  2. Step 2: Convert to fraction form
    28,635.30/42,965.76 = 11,106.54/x
  3. Step 3: Cross multiply
    28,635.30x = 42,965.76 × 11,106.54
  4. Step 4: Simplify right side
    28,635.30x = 477,200,932.07
  5. Step 5: Solve for x
    x = 477,200,932.07/28,635.30
  6. Step 6: Final answer
    x = 16,664.78

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1.5x scale

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.