Home / 23,187.94-31,975.15-13,754.68

Finding the Fourth Proportional to 23,187.94, 31,975.15 and 13,754.68

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Solution

The fourth proportional to 23,187.94, 31,975.15 and 13,754.68 is: 18,967.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,187.94 : 31,975.15 = 13,754.68 : x
  2. Step 2: Convert to fraction form
    23,187.94/31,975.15 = 13,754.68/x
  3. Step 3: Cross multiply
    23,187.94x = 31,975.15 × 13,754.68
  4. Step 4: Simplify right side
    23,187.94x = 439,807,727.55
  5. Step 5: Solve for x
    x = 439,807,727.55/23,187.94
  6. Step 6: Final answer
    x = 18,967.09

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