Home / 17,329.20-25,977.84-5,636.40

Finding the Fourth Proportional to 17,329.20, 25,977.84 and 5,636.40

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Solution

The fourth proportional to 17,329.20, 25,977.84 and 5,636.40 is: 8,449.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,329.20 : 25,977.84 = 5,636.40 : x
  2. Step 2: Convert to fraction form
    17,329.20/25,977.84 = 5,636.40/x
  3. Step 3: Cross multiply
    17,329.20x = 25,977.84 × 5,636.40
  4. Step 4: Simplify right side
    17,329.20x = 146,421,497.38
  5. Step 5: Solve for x
    x = 146,421,497.38/17,329.20
  6. Step 6: Final answer
    x = 8,449.41

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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.