Home / 27,159.82-40,743.44-8,442.74

Finding the Fourth Proportional to 27,159.82, 40,743.44 and 8,442.74

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Solution

The fourth proportional to 27,159.82, 40,743.44 and 8,442.74 is: 12,665.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,159.82 : 40,743.44 = 8,442.74 : x
  2. Step 2: Convert to fraction form
    27,159.82/40,743.44 = 8,442.74/x
  3. Step 3: Cross multiply
    27,159.82x = 40,743.44 × 8,442.74
  4. Step 4: Simplify right side
    27,159.82x = 343,986,270.63
  5. Step 5: Solve for x
    x = 343,986,270.63/27,159.82
  6. Step 6: Final answer
    x = 12,665.26

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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.