Home / 28,442.26-42,670.04-9,722.44

Finding the Fourth Proportional to 28,442.26, 42,670.04 and 9,722.44

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Solution

The fourth proportional to 28,442.26, 42,670.04 and 9,722.44 is: 14,585.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,442.26 : 42,670.04 = 9,722.44 : x
  2. Step 2: Convert to fraction form
    28,442.26/42,670.04 = 9,722.44/x
  3. Step 3: Cross multiply
    28,442.26x = 42,670.04 × 9,722.44
  4. Step 4: Simplify right side
    28,442.26x = 414,856,748.41
  5. Step 5: Solve for x
    x = 414,856,748.41/28,442.26
  6. Step 6: Final answer
    x = 14,585.93

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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.