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Finding the Fourth Proportional to 17,431.88, 26,242.67 and 15,881.84

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Solution

The fourth proportional to 17,431.88, 26,242.67 and 15,881.84 is: 23,909.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,431.88 : 26,242.67 = 15,881.84 : x
  2. Step 2: Convert to fraction form
    17,431.88/26,242.67 = 15,881.84/x
  3. Step 3: Cross multiply
    17,431.88x = 26,242.67 × 15,881.84
  4. Step 4: Simplify right side
    17,431.88x = 416,781,803.68
  5. Step 5: Solve for x
    x = 416,781,803.68/17,431.88
  6. Step 6: Final answer
    x = 23,909.18

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.