Home / 28,806.06-43,205.45-11,288.19

Finding the Fourth Proportional to 28,806.06, 43,205.45 and 11,288.19

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Solution

The fourth proportional to 28,806.06, 43,205.45 and 11,288.19 is: 16,930.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,806.06 : 43,205.45 = 11,288.19 : x
  2. Step 2: Convert to fraction form
    28,806.06/43,205.45 = 11,288.19/x
  3. Step 3: Cross multiply
    28,806.06x = 43,205.45 × 11,288.19
  4. Step 4: Simplify right side
    28,806.06x = 487,711,272.19
  5. Step 5: Solve for x
    x = 487,711,272.19/28,806.06
  6. Step 6: Final answer
    x = 16,930.86

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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.