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Finding the Fourth Proportional to 34,917.28, 52,376.18 and 9,957.30

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Solution

The fourth proportional to 34,917.28, 52,376.18 and 9,957.30 is: 14,936.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,917.28 : 52,376.18 = 9,957.30 : x
  2. Step 2: Convert to fraction form
    34,917.28/52,376.18 = 9,957.30/x
  3. Step 3: Cross multiply
    34,917.28x = 52,376.18 × 9,957.30
  4. Step 4: Simplify right side
    34,917.28x = 521,525,455.61
  5. Step 5: Solve for x
    x = 521,525,455.61/34,917.28
  6. Step 6: Final answer
    x = 14,936.03

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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.