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Finding the Fourth Proportional to 33,637.94, 50,411.12 and 15,865.84

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Solution

The fourth proportional to 33,637.94, 50,411.12 and 15,865.84 is: 23,777.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,637.94 : 50,411.12 = 15,865.84 : x
  2. Step 2: Convert to fraction form
    33,637.94/50,411.12 = 15,865.84/x
  3. Step 3: Cross multiply
    33,637.94x = 50,411.12 × 15,865.84
  4. Step 4: Simplify right side
    33,637.94x = 799,814,764.14
  5. Step 5: Solve for x
    x = 799,814,764.14/33,637.94
  6. Step 6: Final answer
    x = 23,777.16

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1.5x scale

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.