Home / 19,628.73-27,085.19-13,269.16

Finding the Fourth Proportional to 19,628.73, 27,085.19 and 13,269.16

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Solution

The fourth proportional to 19,628.73, 27,085.19 and 13,269.16 is: 18,309.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,628.73 : 27,085.19 = 13,269.16 : x
  2. Step 2: Convert to fraction form
    19,628.73/27,085.19 = 13,269.16/x
  3. Step 3: Cross multiply
    19,628.73x = 27,085.19 × 13,269.16
  4. Step 4: Simplify right side
    19,628.73x = 359,397,534.90
  5. Step 5: Solve for x
    x = 359,397,534.90/19,628.73
  6. Step 6: Final answer
    x = 18,309.77

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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.