Home / 27,651.40-38,152.08-16,321.12

Finding the Fourth Proportional to 27,651.40, 38,152.08 and 16,321.12

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Solution

The fourth proportional to 27,651.40, 38,152.08 and 16,321.12 is: 22,519.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,651.40 : 38,152.08 = 16,321.12 : x
  2. Step 2: Convert to fraction form
    27,651.40/38,152.08 = 16,321.12/x
  3. Step 3: Cross multiply
    27,651.40x = 38,152.08 × 16,321.12
  4. Step 4: Simplify right side
    27,651.40x = 622,684,675.93
  5. Step 5: Solve for x
    x = 622,684,675.93/27,651.40
  6. Step 6: Final answer
    x = 22,519.10

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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.