Home / 29,364.78-40,523.60-15,936.26

Finding the Fourth Proportional to 29,364.78, 40,523.60 and 15,936.26

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Solution

The fourth proportional to 29,364.78, 40,523.60 and 15,936.26 is: 21,992.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,364.78 : 40,523.60 = 15,936.26 : x
  2. Step 2: Convert to fraction form
    29,364.78/40,523.60 = 15,936.26/x
  3. Step 3: Cross multiply
    29,364.78x = 40,523.60 × 15,936.26
  4. Step 4: Simplify right side
    29,364.78x = 645,794,625.74
  5. Step 5: Solve for x
    x = 645,794,625.74/29,364.78
  6. Step 6: Final answer
    x = 21,992.15

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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.