Home / 19,291.34-28,907.22-13,026.80

Finding the Fourth Proportional to 19,291.34, 28,907.22 and 13,026.80

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Solution

The fourth proportional to 19,291.34, 28,907.22 and 13,026.80 is: 19,520.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,291.34 : 28,907.22 = 13,026.80 : x
  2. Step 2: Convert to fraction form
    19,291.34/28,907.22 = 13,026.80/x
  3. Step 3: Cross multiply
    19,291.34x = 28,907.22 × 13,026.80
  4. Step 4: Simplify right side
    19,291.34x = 376,568,573.50
  5. Step 5: Solve for x
    x = 376,568,573.50/19,291.34
  6. Step 6: Final answer
    x = 19,520.08

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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.