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Finding the Fourth Proportional to 28,005.67, 41,911.84 and 17,327.64

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Solution

The fourth proportional to 28,005.67, 41,911.84 and 17,327.64 is: 25,931.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,005.67 : 41,911.84 = 17,327.64 : x
  2. Step 2: Convert to fraction form
    28,005.67/41,911.84 = 17,327.64/x
  3. Step 3: Cross multiply
    28,005.67x = 41,911.84 × 17,327.64
  4. Step 4: Simplify right side
    28,005.67x = 726,233,275.26
  5. Step 5: Solve for x
    x = 726,233,275.26/28,005.67
  6. Step 6: Final answer
    x = 25,931.65

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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.