Home / 19,267.75-28,907.45-13,656.27

Finding the Fourth Proportional to 19,267.75, 28,907.45 and 13,656.27

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Solution

The fourth proportional to 19,267.75, 28,907.45 and 13,656.27 is: 20,488.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,267.75 : 28,907.45 = 13,656.27 : x
  2. Step 2: Convert to fraction form
    19,267.75/28,907.45 = 13,656.27/x
  3. Step 3: Cross multiply
    19,267.75x = 28,907.45 × 13,656.27
  4. Step 4: Simplify right side
    19,267.75x = 394,767,942.21
  5. Step 5: Solve for x
    x = 394,767,942.21/19,267.75
  6. Step 6: Final answer
    x = 20,488.53

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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.