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Finding the Fourth Proportional to 17,952.41, 26,928.63 and 8,590.22

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Solution

The fourth proportional to 17,952.41, 26,928.63 and 8,590.22 is: 12,885.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,952.41 : 26,928.63 = 8,590.22 : x
  2. Step 2: Convert to fraction form
    17,952.41/26,928.63 = 8,590.22/x
  3. Step 3: Cross multiply
    17,952.41x = 26,928.63 × 8,590.22
  4. Step 4: Simplify right side
    17,952.41x = 231,322,856.00
  5. Step 5: Solve for x
    x = 231,322,856.00/17,952.41
  6. Step 6: Final answer
    x = 12,885.34

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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.