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Finding the Fourth Proportional to 29,353.56, 40,508 and 15,924.88

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Solution

The fourth proportional to 29,353.56, 40,508 and 15,924.88 is: 21,976.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,353.56 : 40,508 = 15,924.88 : x
  2. Step 2: Convert to fraction form
    29,353.56/40,508 = 15,924.88/x
  3. Step 3: Cross multiply
    29,353.56x = 40,508 × 15,924.88
  4. Step 4: Simplify right side
    29,353.56x = 645,085,039.04
  5. Step 5: Solve for x
    x = 645,085,039.04/29,353.56
  6. Step 6: Final answer
    x = 21,976.38

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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.