Home / 28,122.33-38,793.47-18,039.56

Finding the Fourth Proportional to 28,122.33, 38,793.47 and 18,039.56

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Solution

The fourth proportional to 28,122.33, 38,793.47 and 18,039.56 is: 24,884.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,122.33 : 38,793.47 = 18,039.56 : x
  2. Step 2: Convert to fraction form
    28,122.33/38,793.47 = 18,039.56/x
  3. Step 3: Cross multiply
    28,122.33x = 38,793.47 × 18,039.56
  4. Step 4: Simplify right side
    28,122.33x = 699,816,845.51
  5. Step 5: Solve for x
    x = 699,816,845.51/28,122.33
  6. Step 6: Final answer
    x = 24,884.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.