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Finding the Fourth Proportional to 16,272.48, 24,447.60 and 10,440.48

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Solution

The fourth proportional to 16,272.48, 24,447.60 and 10,440.48 is: 15,685.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,272.48 : 24,447.60 = 10,440.48 : x
  2. Step 2: Convert to fraction form
    16,272.48/24,447.60 = 10,440.48/x
  3. Step 3: Cross multiply
    16,272.48x = 24,447.60 × 10,440.48
  4. Step 4: Simplify right side
    16,272.48x = 255,244,678.85
  5. Step 5: Solve for x
    x = 255,244,678.85/16,272.48
  6. Step 6: Final answer
    x = 15,685.67

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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.