Home / 27,102.36-40,643.43-9,328.04

Finding the Fourth Proportional to 27,102.36, 40,643.43 and 9,328.04

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Solution

The fourth proportional to 27,102.36, 40,643.43 and 9,328.04 is: 13,988.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,102.36 : 40,643.43 = 9,328.04 : x
  2. Step 2: Convert to fraction form
    27,102.36/40,643.43 = 9,328.04/x
  3. Step 3: Cross multiply
    27,102.36x = 40,643.43 × 9,328.04
  4. Step 4: Simplify right side
    27,102.36x = 379,123,540.78
  5. Step 5: Solve for x
    x = 379,123,540.78/27,102.36
  6. Step 6: Final answer
    x = 13,988.58

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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.