Home / 28,660.33-42,990.46-18,797.30

Finding the Fourth Proportional to 28,660.33, 42,990.46 and 18,797.30

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Solution

The fourth proportional to 28,660.33, 42,990.46 and 18,797.30 is: 28,195.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,660.33 : 42,990.46 = 18,797.30 : x
  2. Step 2: Convert to fraction form
    28,660.33/42,990.46 = 18,797.30/x
  3. Step 3: Cross multiply
    28,660.33x = 42,990.46 × 18,797.30
  4. Step 4: Simplify right side
    28,660.33x = 808,104,578.76
  5. Step 5: Solve for x
    x = 808,104,578.76/28,660.33
  6. Step 6: Final answer
    x = 28,195.93

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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.