Home / 28,685.44-43,002.24-10,213.12

Finding the Fourth Proportional to 28,685.44, 43,002.24 and 10,213.12

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Solution

The fourth proportional to 28,685.44, 43,002.24 and 10,213.12 is: 15,310.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,685.44 : 43,002.24 = 10,213.12 : x
  2. Step 2: Convert to fraction form
    28,685.44/43,002.24 = 10,213.12/x
  3. Step 3: Cross multiply
    28,685.44x = 43,002.24 × 10,213.12
  4. Step 4: Simplify right side
    28,685.44x = 439,187,037.39
  5. Step 5: Solve for x
    x = 439,187,037.39/28,685.44
  6. Step 6: Final answer
    x = 15,310.45

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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.