Home / 19,488.44-26,881.60-13,517.92

Finding the Fourth Proportional to 19,488.44, 26,881.60 and 13,517.92

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Solution

The fourth proportional to 19,488.44, 26,881.60 and 13,517.92 is: 18,646.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,488.44 : 26,881.60 = 13,517.92 : x
  2. Step 2: Convert to fraction form
    19,488.44/26,881.60 = 13,517.92/x
  3. Step 3: Cross multiply
    19,488.44x = 26,881.60 × 13,517.92
  4. Step 4: Simplify right side
    19,488.44x = 363,383,318.27
  5. Step 5: Solve for x
    x = 363,383,318.27/19,488.44
  6. Step 6: Final answer
    x = 18,646.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.