Home / 20,460.68-30,651.50-17,134.28

Finding the Fourth Proportional to 20,460.68, 30,651.50 and 17,134.28

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Solution

The fourth proportional to 20,460.68, 30,651.50 and 17,134.28 is: 25,668.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,460.68 : 30,651.50 = 17,134.28 : x
  2. Step 2: Convert to fraction form
    20,460.68/30,651.50 = 17,134.28/x
  3. Step 3: Cross multiply
    20,460.68x = 30,651.50 × 17,134.28
  4. Step 4: Simplify right side
    20,460.68x = 525,191,383.42
  5. Step 5: Solve for x
    x = 525,191,383.42/20,460.68
  6. Step 6: Final answer
    x = 25,668.32

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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.