Home / 23,126.15-31,914.03-12,515.96

Finding the Fourth Proportional to 23,126.15, 31,914.03 and 12,515.96

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Solution

The fourth proportional to 23,126.15, 31,914.03 and 12,515.96 is: 17,272.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,126.15 : 31,914.03 = 12,515.96 : x
  2. Step 2: Convert to fraction form
    23,126.15/31,914.03 = 12,515.96/x
  3. Step 3: Cross multiply
    23,126.15x = 31,914.03 × 12,515.96
  4. Step 4: Simplify right side
    23,126.15x = 399,434,849.64
  5. Step 5: Solve for x
    x = 399,434,849.64/23,126.15
  6. Step 6: Final answer
    x = 17,272.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.