Home / 18,078.48-27,117.18-17,586

Finding the Fourth Proportional to 18,078.48, 27,117.18 and 17,586

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Solution

The fourth proportional to 18,078.48, 27,117.18 and 17,586 is: 26,378.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,078.48 : 27,117.18 = 17,586 : x
  2. Step 2: Convert to fraction form
    18,078.48/27,117.18 = 17,586/x
  3. Step 3: Cross multiply
    18,078.48x = 27,117.18 × 17,586
  4. Step 4: Simplify right side
    18,078.48x = 476,882,727.48
  5. Step 5: Solve for x
    x = 476,882,727.48/18,078.48
  6. Step 6: Final answer
    x = 26,378.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.