Home / 28,716.93-43,071.98-7,658.55

Finding the Fourth Proportional to 28,716.93, 43,071.98 and 7,658.55

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Solution

The fourth proportional to 28,716.93, 43,071.98 and 7,658.55 is: 11,486.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,716.93 : 43,071.98 = 7,658.55 : x
  2. Step 2: Convert to fraction form
    28,716.93/43,071.98 = 7,658.55/x
  3. Step 3: Cross multiply
    28,716.93x = 43,071.98 × 7,658.55
  4. Step 4: Simplify right side
    28,716.93x = 329,868,874.14
  5. Step 5: Solve for x
    x = 329,868,874.14/28,716.93
  6. Step 6: Final answer
    x = 11,486.91

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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.