Home / 28,886.82-43,326.90-7,825.62

Finding the Fourth Proportional to 28,886.82, 43,326.90 and 7,825.62

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Solution

The fourth proportional to 28,886.82, 43,326.90 and 7,825.62 is: 11,737.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,886.82 : 43,326.90 = 7,825.62 : x
  2. Step 2: Convert to fraction form
    28,886.82/43,326.90 = 7,825.62/x
  3. Step 3: Cross multiply
    28,886.82x = 43,326.90 × 7,825.62
  4. Step 4: Simplify right side
    28,886.82x = 339,059,855.18
  5. Step 5: Solve for x
    x = 339,059,855.18/28,886.82
  6. Step 6: Final answer
    x = 11,737.53

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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.