Home / 28,107.36-38,793.60-18,048.56

Finding the Fourth Proportional to 28,107.36, 38,793.60 and 18,048.56

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Solution

The fourth proportional to 28,107.36, 38,793.60 and 18,048.56 is: 24,910.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,107.36 : 38,793.60 = 18,048.56 : x
  2. Step 2: Convert to fraction form
    28,107.36/38,793.60 = 18,048.56/x
  3. Step 3: Cross multiply
    28,107.36x = 38,793.60 × 18,048.56
  4. Step 4: Simplify right side
    28,107.36x = 700,168,617.22
  5. Step 5: Solve for x
    x = 700,168,617.22/28,107.36
  6. Step 6: Final answer
    x = 24,910.51

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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.