Home / 20,628.99-28,358.55-17,747.19

Finding the Fourth Proportional to 20,628.99, 28,358.55 and 17,747.19

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Solution

The fourth proportional to 20,628.99, 28,358.55 and 17,747.19 is: 24,396.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,628.99 : 28,358.55 = 17,747.19 : x
  2. Step 2: Convert to fraction form
    20,628.99/28,358.55 = 17,747.19/x
  3. Step 3: Cross multiply
    20,628.99x = 28,358.55 × 17,747.19
  4. Step 4: Simplify right side
    20,628.99x = 503,284,486.24
  5. Step 5: Solve for x
    x = 503,284,486.24/20,628.99
  6. Step 6: Final answer
    x = 24,396.96

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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.