Home / 28,732.74-43,099.12-9,012.88

Finding the Fourth Proportional to 28,732.74, 43,099.12 and 9,012.88

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Solution

The fourth proportional to 28,732.74, 43,099.12 and 9,012.88 is: 13,519.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,732.74 : 43,099.12 = 9,012.88 : x
  2. Step 2: Convert to fraction form
    28,732.74/43,099.12 = 9,012.88/x
  3. Step 3: Cross multiply
    28,732.74x = 43,099.12 × 9,012.88
  4. Step 4: Simplify right side
    28,732.74x = 388,447,196.67
  5. Step 5: Solve for x
    x = 388,447,196.67/28,732.74
  6. Step 6: Final answer
    x = 13,519.32

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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.