Home / 28,519.55-42,786.62-10,984.67

Finding the Fourth Proportional to 28,519.55, 42,786.62 and 10,984.67

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Solution

The fourth proportional to 28,519.55, 42,786.62 and 10,984.67 is: 16,479.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,519.55 : 42,786.62 = 10,984.67 : x
  2. Step 2: Convert to fraction form
    28,519.55/42,786.62 = 10,984.67/x
  3. Step 3: Cross multiply
    28,519.55x = 42,786.62 × 10,984.67
  4. Step 4: Simplify right side
    28,519.55x = 469,996,846.19
  5. Step 5: Solve for x
    x = 469,996,846.19/28,519.55
  6. Step 6: Final answer
    x = 16,479.81

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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.