Home / 23,139.39-31,932.37-12,529.04

Finding the Fourth Proportional to 23,139.39, 31,932.37 and 12,529.04

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Solution

The fourth proportional to 23,139.39, 31,932.37 and 12,529.04 is: 17,290.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,139.39 : 31,932.37 = 12,529.04 : x
  2. Step 2: Convert to fraction form
    23,139.39/31,932.37 = 12,529.04/x
  3. Step 3: Cross multiply
    23,139.39x = 31,932.37 × 12,529.04
  4. Step 4: Simplify right side
    23,139.39x = 400,081,781.36
  5. Step 5: Solve for x
    x = 400,081,781.36/23,139.39
  6. Step 6: Final answer
    x = 17,290.07

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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.