Home / 27,821.28-41,718.72-16,138.08

Finding the Fourth Proportional to 27,821.28, 41,718.72 and 16,138.08

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Solution

The fourth proportional to 27,821.28, 41,718.72 and 16,138.08 is: 24,199.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,821.28 : 41,718.72 = 16,138.08 : x
  2. Step 2: Convert to fraction form
    27,821.28/41,718.72 = 16,138.08/x
  3. Step 3: Cross multiply
    27,821.28x = 41,718.72 × 16,138.08
  4. Step 4: Simplify right side
    27,821.28x = 673,260,040.86
  5. Step 5: Solve for x
    x = 673,260,040.86/27,821.28
  6. Step 6: Final answer
    x = 24,199.46

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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.