Home / 27,693.18-38,204.73-17,618.40

Finding the Fourth Proportional to 27,693.18, 38,204.73 and 17,618.40

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Solution

The fourth proportional to 27,693.18, 38,204.73 and 17,618.40 is: 24,305.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,693.18 : 38,204.73 = 17,618.40 : x
  2. Step 2: Convert to fraction form
    27,693.18/38,204.73 = 17,618.40/x
  3. Step 3: Cross multiply
    27,693.18x = 38,204.73 × 17,618.40
  4. Step 4: Simplify right side
    27,693.18x = 673,106,215.03
  5. Step 5: Solve for x
    x = 673,106,215.03/27,693.18
  6. Step 6: Final answer
    x = 24,305.85

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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.