Home / 23,078.94-31,849.56-14,126.28

Finding the Fourth Proportional to 23,078.94, 31,849.56 and 14,126.28

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Solution

The fourth proportional to 23,078.94, 31,849.56 and 14,126.28 is: 19,494.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,078.94 : 31,849.56 = 14,126.28 : x
  2. Step 2: Convert to fraction form
    23,078.94/31,849.56 = 14,126.28/x
  3. Step 3: Cross multiply
    23,078.94x = 31,849.56 × 14,126.28
  4. Step 4: Simplify right side
    23,078.94x = 449,915,802.44
  5. Step 5: Solve for x
    x = 449,915,802.44/23,078.94
  6. Step 6: Final answer
    x = 19,494.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.