Home / 19,083.52-28,620.18-13,520.44

Finding the Fourth Proportional to 19,083.52, 28,620.18 and 13,520.44

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Solution

The fourth proportional to 19,083.52, 28,620.18 and 13,520.44 is: 20,277.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,083.52 : 28,620.18 = 13,520.44 : x
  2. Step 2: Convert to fraction form
    19,083.52/28,620.18 = 13,520.44/x
  3. Step 3: Cross multiply
    19,083.52x = 28,620.18 × 13,520.44
  4. Step 4: Simplify right side
    19,083.52x = 386,957,426.48
  5. Step 5: Solve for x
    x = 386,957,426.48/19,083.52
  6. Step 6: Final answer
    x = 20,277.05

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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.