Home / 27,129.66-40,709.61-14,649.42

Finding the Fourth Proportional to 27,129.66, 40,709.61 and 14,649.42

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Solution

The fourth proportional to 27,129.66, 40,709.61 and 14,649.42 is: 21,982.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,129.66 : 40,709.61 = 14,649.42 : x
  2. Step 2: Convert to fraction form
    27,129.66/40,709.61 = 14,649.42/x
  3. Step 3: Cross multiply
    27,129.66x = 40,709.61 × 14,649.42
  4. Step 4: Simplify right side
    27,129.66x = 596,372,174.93
  5. Step 5: Solve for x
    x = 596,372,174.93/27,129.66
  6. Step 6: Final answer
    x = 21,982.29

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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.