Home / 28,726.92-43,092.72-7,950.42

Finding the Fourth Proportional to 28,726.92, 43,092.72 and 7,950.42

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Solution

The fourth proportional to 28,726.92, 43,092.72 and 7,950.42 is: 11,926.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,726.92 : 43,092.72 = 7,950.42 : x
  2. Step 2: Convert to fraction form
    28,726.92/43,092.72 = 7,950.42/x
  3. Step 3: Cross multiply
    28,726.92x = 43,092.72 × 7,950.42
  4. Step 4: Simplify right side
    28,726.92x = 342,605,222.94
  5. Step 5: Solve for x
    x = 342,605,222.94/28,726.92
  6. Step 6: Final answer
    x = 11,926.28

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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.