Home / 28,313.21-42,469.79-7,252.47

Finding the Fourth Proportional to 28,313.21, 42,469.79 and 7,252.47

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Solution

The fourth proportional to 28,313.21, 42,469.79 and 7,252.47 is: 10,878.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,313.21 : 42,469.79 = 7,252.47 : x
  2. Step 2: Convert to fraction form
    28,313.21/42,469.79 = 7,252.47/x
  3. Step 3: Cross multiply
    28,313.21x = 42,469.79 × 7,252.47
  4. Step 4: Simplify right side
    28,313.21x = 308,010,841.62
  5. Step 5: Solve for x
    x = 308,010,841.62/28,313.21
  6. Step 6: Final answer
    x = 10,878.70

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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.