Home / 28,528.73-42,793.05-10,986.25

Finding the Fourth Proportional to 28,528.73, 42,793.05 and 10,986.25

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Solution

The fourth proportional to 28,528.73, 42,793.05 and 10,986.25 is: 16,479.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,528.73 : 42,793.05 = 10,986.25 : x
  2. Step 2: Convert to fraction form
    28,528.73/42,793.05 = 10,986.25/x
  3. Step 3: Cross multiply
    28,528.73x = 42,793.05 × 10,986.25
  4. Step 4: Simplify right side
    28,528.73x = 470,135,145.56
  5. Step 5: Solve for x
    x = 470,135,145.56/28,528.73
  6. Step 6: Final answer
    x = 16,479.36

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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.