Home / 20,873.34-28,633.64-19,743.48

Finding the Fourth Proportional to 20,873.34, 28,633.64 and 19,743.48

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Solution

The fourth proportional to 20,873.34, 28,633.64 and 19,743.48 is: 27,083.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,873.34 : 28,633.64 = 19,743.48 : x
  2. Step 2: Convert to fraction form
    20,873.34/28,633.64 = 19,743.48/x
  3. Step 3: Cross multiply
    20,873.34x = 28,633.64 × 19,743.48
  4. Step 4: Simplify right side
    20,873.34x = 565,327,599.95
  5. Step 5: Solve for x
    x = 565,327,599.95/20,873.34
  6. Step 6: Final answer
    x = 27,083.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.