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Finding the Fourth Proportional to 17,375.40, 26,053.38 and 5,687.64

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Solution

The fourth proportional to 17,375.40, 26,053.38 and 5,687.64 is: 8,528.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,375.40 : 26,053.38 = 5,687.64 : x
  2. Step 2: Convert to fraction form
    17,375.40/26,053.38 = 5,687.64/x
  3. Step 3: Cross multiply
    17,375.40x = 26,053.38 × 5,687.64
  4. Step 4: Simplify right side
    17,375.40x = 148,182,246.22
  5. Step 5: Solve for x
    x = 148,182,246.22/17,375.40
  6. Step 6: Final answer
    x = 8,528.28

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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.