Home / 27,027.88-40,531.49-12,983.90

Finding the Fourth Proportional to 27,027.88, 40,531.49 and 12,983.90

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Solution

The fourth proportional to 27,027.88, 40,531.49 and 12,983.90 is: 19,470.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,027.88 : 40,531.49 = 12,983.90 : x
  2. Step 2: Convert to fraction form
    27,027.88/40,531.49 = 12,983.90/x
  3. Step 3: Cross multiply
    27,027.88x = 40,531.49 × 12,983.90
  4. Step 4: Simplify right side
    27,027.88x = 526,256,748.09
  5. Step 5: Solve for x
    x = 526,256,748.09/27,027.88
  6. Step 6: Final answer
    x = 19,470.89

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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.