Home / 20,026.42-30,055.05-18,998.62

Finding the Fourth Proportional to 20,026.42, 30,055.05 and 18,998.62

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Solution

The fourth proportional to 20,026.42, 30,055.05 and 18,998.62 is: 28,512.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,026.42 : 30,055.05 = 18,998.62 : x
  2. Step 2: Convert to fraction form
    20,026.42/30,055.05 = 18,998.62/x
  3. Step 3: Cross multiply
    20,026.42x = 30,055.05 × 18,998.62
  4. Step 4: Simplify right side
    20,026.42x = 571,004,474.03
  5. Step 5: Solve for x
    x = 571,004,474.03/20,026.42
  6. Step 6: Final answer
    x = 28,512.56

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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.