Home / 27,108.43-40,588.83-21,083.59

Finding the Fourth Proportional to 27,108.43, 40,588.83 and 21,083.59

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Solution

The fourth proportional to 27,108.43, 40,588.83 and 21,083.59 is: 31,567.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,108.43 : 40,588.83 = 21,083.59 : x
  2. Step 2: Convert to fraction form
    27,108.43/40,588.83 = 21,083.59/x
  3. Step 3: Cross multiply
    27,108.43x = 40,588.83 × 21,083.59
  4. Step 4: Simplify right side
    27,108.43x = 855,758,250.30
  5. Step 5: Solve for x
    x = 855,758,250.30/27,108.43
  6. Step 6: Final answer
    x = 31,567.98

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1.5x scale

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.