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Finding the Fourth Proportional to 17,471.36, 26,072.88 and 15,602.96

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Solution

The fourth proportional to 17,471.36, 26,072.88 and 15,602.96 is: 23,284.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,471.36 : 26,072.88 = 15,602.96 : x
  2. Step 2: Convert to fraction form
    17,471.36/26,072.88 = 15,602.96/x
  3. Step 3: Cross multiply
    17,471.36x = 26,072.88 × 15,602.96
  4. Step 4: Simplify right side
    17,471.36x = 406,814,103.72
  5. Step 5: Solve for x
    x = 406,814,103.72/17,471.36
  6. Step 6: Final answer
    x = 23,284.63

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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.