Home / 19,270.27-28,907.22-7,580.75

Finding the Fourth Proportional to 19,270.27, 28,907.22 and 7,580.75

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Solution

The fourth proportional to 19,270.27, 28,907.22 and 7,580.75 is: 11,371.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,270.27 : 28,907.22 = 7,580.75 : x
  2. Step 2: Convert to fraction form
    19,270.27/28,907.22 = 7,580.75/x
  3. Step 3: Cross multiply
    19,270.27x = 28,907.22 × 7,580.75
  4. Step 4: Simplify right side
    19,270.27x = 219,138,408.02
  5. Step 5: Solve for x
    x = 219,138,408.02/19,270.27
  6. Step 6: Final answer
    x = 11,371.84

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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.