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Finding the Fourth Proportional to 17,853.90, 26,780.72 and 5,373.87

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Solution

The fourth proportional to 17,853.90, 26,780.72 and 5,373.87 is: 8,060.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,853.90 : 26,780.72 = 5,373.87 : x
  2. Step 2: Convert to fraction form
    17,853.90/26,780.72 = 5,373.87/x
  3. Step 3: Cross multiply
    17,853.90x = 26,780.72 × 5,373.87
  4. Step 4: Simplify right side
    17,853.90x = 143,916,080.92
  5. Step 5: Solve for x
    x = 143,916,080.92/17,853.90
  6. Step 6: Final answer
    x = 8,060.76

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.