Home / 27,178.80-40,792.20-16,071.60

Finding the Fourth Proportional to 27,178.80, 40,792.20 and 16,071.60

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Solution

The fourth proportional to 27,178.80, 40,792.20 and 16,071.60 is: 24,121.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,178.80 : 40,792.20 = 16,071.60 : x
  2. Step 2: Convert to fraction form
    27,178.80/40,792.20 = 16,071.60/x
  3. Step 3: Cross multiply
    27,178.80x = 40,792.20 × 16,071.60
  4. Step 4: Simplify right side
    27,178.80x = 655,595,921.52
  5. Step 5: Solve for x
    x = 655,595,921.52/27,178.80
  6. Step 6: Final answer
    x = 24,121.59

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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.