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Finding the Fourth Proportional to 17,702.53, 26,393.29 and 17,240.83

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Solution

The fourth proportional to 17,702.53, 26,393.29 and 17,240.83 is: 25,704.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,702.53 : 26,393.29 = 17,240.83 : x
  2. Step 2: Convert to fraction form
    17,702.53/26,393.29 = 17,240.83/x
  3. Step 3: Cross multiply
    17,702.53x = 26,393.29 × 17,240.83
  4. Step 4: Simplify right side
    17,702.53x = 455,042,226.03
  5. Step 5: Solve for x
    x = 455,042,226.03/17,702.53
  6. Step 6: Final answer
    x = 25,704.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.