Home / 28,608.26-42,921.35-12,826.52

Finding the Fourth Proportional to 28,608.26, 42,921.35 and 12,826.52

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Solution

The fourth proportional to 28,608.26, 42,921.35 and 12,826.52 is: 19,243.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,608.26 : 42,921.35 = 12,826.52 : x
  2. Step 2: Convert to fraction form
    28,608.26/42,921.35 = 12,826.52/x
  3. Step 3: Cross multiply
    28,608.26x = 42,921.35 × 12,826.52
  4. Step 4: Simplify right side
    28,608.26x = 550,531,275.46
  5. Step 5: Solve for x
    x = 550,531,275.46/28,608.26
  6. Step 6: Final answer
    x = 19,243.79

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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.