Home / 28,651.48-39,539.68-16,715.62

Finding the Fourth Proportional to 28,651.48, 39,539.68 and 16,715.62

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Solution

The fourth proportional to 28,651.48, 39,539.68 and 16,715.62 is: 23,067.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,651.48 : 39,539.68 = 16,715.62 : x
  2. Step 2: Convert to fraction form
    28,651.48/39,539.68 = 16,715.62/x
  3. Step 3: Cross multiply
    28,651.48x = 39,539.68 × 16,715.62
  4. Step 4: Simplify right side
    28,651.48x = 660,930,265.80
  5. Step 5: Solve for x
    x = 660,930,265.80/28,651.48
  6. Step 6: Final answer
    x = 23,067.93

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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.