Home / 27,806.19-38,381.91-16,904.31

Finding the Fourth Proportional to 27,806.19, 38,381.91 and 16,904.31

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Solution

The fourth proportional to 27,806.19, 38,381.91 and 16,904.31 is: 23,333.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,806.19 : 38,381.91 = 16,904.31 : x
  2. Step 2: Convert to fraction form
    27,806.19/38,381.91 = 16,904.31/x
  3. Step 3: Cross multiply
    27,806.19x = 38,381.91 × 16,904.31
  4. Step 4: Simplify right side
    27,806.19x = 648,819,705.03
  5. Step 5: Solve for x
    x = 648,819,705.03/27,806.19
  6. Step 6: Final answer
    x = 23,333.64

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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.