Home / 28,244.37-42,388.43-15,107.79

Finding the Fourth Proportional to 28,244.37, 42,388.43 and 15,107.79

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Solution

The fourth proportional to 28,244.37, 42,388.43 and 15,107.79 is: 22,673.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,244.37 : 42,388.43 = 15,107.79 : x
  2. Step 2: Convert to fraction form
    28,244.37/42,388.43 = 15,107.79/x
  3. Step 3: Cross multiply
    28,244.37x = 42,388.43 × 15,107.79
  4. Step 4: Simplify right side
    28,244.37x = 640,395,423.33
  5. Step 5: Solve for x
    x = 640,395,423.33/28,244.37
  6. Step 6: Final answer
    x = 22,673.38

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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.