Home / 19,749.60-27,230.40-18,604.80

Finding the Fourth Proportional to 19,749.60, 27,230.40 and 18,604.80

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Solution

The fourth proportional to 19,749.60, 27,230.40 and 18,604.80 is: 25,651.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,749.60 : 27,230.40 = 18,604.80 : x
  2. Step 2: Convert to fraction form
    19,749.60/27,230.40 = 18,604.80/x
  3. Step 3: Cross multiply
    19,749.60x = 27,230.40 × 18,604.80
  4. Step 4: Simplify right side
    19,749.60x = 506,616,145.92
  5. Step 5: Solve for x
    x = 506,616,145.92/19,749.60
  6. Step 6: Final answer
    x = 25,651.97

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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.