Home / 27,158.21-40,652.09-18,675.21

Finding the Fourth Proportional to 27,158.21, 40,652.09 and 18,675.21

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Solution

The fourth proportional to 27,158.21, 40,652.09 and 18,675.21 is: 27,954.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,158.21 : 40,652.09 = 18,675.21 : x
  2. Step 2: Convert to fraction form
    27,158.21/40,652.09 = 18,675.21/x
  3. Step 3: Cross multiply
    27,158.21x = 40,652.09 × 18,675.21
  4. Step 4: Simplify right side
    27,158.21x = 759,186,317.69
  5. Step 5: Solve for x
    x = 759,186,317.69/27,158.21
  6. Step 6: Final answer
    x = 27,954.21

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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.