Home / 28,891.08-39,874.26-17,564.12

Finding the Fourth Proportional to 28,891.08, 39,874.26 and 17,564.12

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Solution

The fourth proportional to 28,891.08, 39,874.26 and 17,564.12 is: 24,241.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,891.08 : 39,874.26 = 17,564.12 : x
  2. Step 2: Convert to fraction form
    28,891.08/39,874.26 = 17,564.12/x
  3. Step 3: Cross multiply
    28,891.08x = 39,874.26 × 17,564.12
  4. Step 4: Simplify right side
    28,891.08x = 700,356,303.57
  5. Step 5: Solve for x
    x = 700,356,303.57/28,891.08
  6. Step 6: Final answer
    x = 24,241.26

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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.