Home / 19,135.32-28,704.63-5,284.32

Finding the Fourth Proportional to 19,135.32, 28,704.63 and 5,284.32

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Solution

The fourth proportional to 19,135.32, 28,704.63 and 5,284.32 is: 7,926.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,135.32 : 28,704.63 = 5,284.32 : x
  2. Step 2: Convert to fraction form
    19,135.32/28,704.63 = 5,284.32/x
  3. Step 3: Cross multiply
    19,135.32x = 28,704.63 × 5,284.32
  4. Step 4: Simplify right side
    19,135.32x = 151,684,450.40
  5. Step 5: Solve for x
    x = 151,684,450.40/19,135.32
  6. Step 6: Final answer
    x = 7,926.94

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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.