Home / 27,146.53-40,698.33-17,638.75

Finding the Fourth Proportional to 27,146.53, 40,698.33 and 17,638.75

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Solution

The fourth proportional to 27,146.53, 40,698.33 and 17,638.75 is: 26,444.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,146.53 : 40,698.33 = 17,638.75 : x
  2. Step 2: Convert to fraction form
    27,146.53/40,698.33 = 17,638.75/x
  3. Step 3: Cross multiply
    27,146.53x = 40,698.33 × 17,638.75
  4. Step 4: Simplify right side
    27,146.53x = 717,867,668.29
  5. Step 5: Solve for x
    x = 717,867,668.29/27,146.53
  6. Step 6: Final answer
    x = 26,444.18

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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.