Home / 27,131.85-40,709.49-14,649.39

Finding the Fourth Proportional to 27,131.85, 40,709.49 and 14,649.39

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Solution

The fourth proportional to 27,131.85, 40,709.49 and 14,649.39 is: 21,980.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,131.85 : 40,709.49 = 14,649.39 : x
  2. Step 2: Convert to fraction form
    27,131.85/40,709.49 = 14,649.39/x
  3. Step 3: Cross multiply
    27,131.85x = 40,709.49 × 14,649.39
  4. Step 4: Simplify right side
    27,131.85x = 596,369,195.71
  5. Step 5: Solve for x
    x = 596,369,195.71/27,131.85
  6. Step 6: Final answer
    x = 21,980.41

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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.