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Finding the Fourth Proportional to 35,275.92, 52,921.71 and 11,901.84

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Solution

The fourth proportional to 35,275.92, 52,921.71 and 11,901.84 is: 17,855.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,275.92 : 52,921.71 = 11,901.84 : x
  2. Step 2: Convert to fraction form
    35,275.92/52,921.71 = 11,901.84/x
  3. Step 3: Cross multiply
    35,275.92x = 52,921.71 × 11,901.84
  4. Step 4: Simplify right side
    35,275.92x = 629,865,724.95
  5. Step 5: Solve for x
    x = 629,865,724.95/35,275.92
  6. Step 6: Final answer
    x = 17,855.40

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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.