Home / 23,109.84-31,891.32-13,038.30

Finding the Fourth Proportional to 23,109.84, 31,891.32 and 13,038.30

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Solution

The fourth proportional to 23,109.84, 31,891.32 and 13,038.30 is: 17,992.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,109.84 : 31,891.32 = 13,038.30 : x
  2. Step 2: Convert to fraction form
    23,109.84/31,891.32 = 13,038.30/x
  3. Step 3: Cross multiply
    23,109.84x = 31,891.32 × 13,038.30
  4. Step 4: Simplify right side
    23,109.84x = 415,808,597.56
  5. Step 5: Solve for x
    x = 415,808,597.56/23,109.84
  6. Step 6: Final answer
    x = 17,992.71

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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.