Home / 19,046.43-28,577.15-13,788.05

Finding the Fourth Proportional to 19,046.43, 28,577.15 and 13,788.05

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Solution

The fourth proportional to 19,046.43, 28,577.15 and 13,788.05 is: 20,687.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,046.43 : 28,577.15 = 13,788.05 : x
  2. Step 2: Convert to fraction form
    19,046.43/28,577.15 = 13,788.05/x
  3. Step 3: Cross multiply
    19,046.43x = 28,577.15 × 13,788.05
  4. Step 4: Simplify right side
    19,046.43x = 394,022,961.23
  5. Step 5: Solve for x
    x = 394,022,961.23/19,046.43
  6. Step 6: Final answer
    x = 20,687.50

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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.