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Finding the Fourth Proportional to 64,654.94, 96,982.41 and 17,907.81

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Solution

The fourth proportional to 64,654.94, 96,982.41 and 17,907.81 is: 26,861.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,654.94 : 96,982.41 = 17,907.81 : x
  2. Step 2: Convert to fraction form
    64,654.94/96,982.41 = 17,907.81/x
  3. Step 3: Cross multiply
    64,654.94x = 96,982.41 × 17,907.81
  4. Step 4: Simplify right side
    64,654.94x = 1,736,742,571.62
  5. Step 5: Solve for x
    x = 1,736,742,571.62/64,654.94
  6. Step 6: Final answer
    x = 26,861.72

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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.