Home / 27,720.51-41,600.83-11,085.20

Finding the Fourth Proportional to 27,720.51, 41,600.83 and 11,085.20

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Solution

The fourth proportional to 27,720.51, 41,600.83 and 11,085.20 is: 16,635.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,720.51 : 41,600.83 = 11,085.20 : x
  2. Step 2: Convert to fraction form
    27,720.51/41,600.83 = 11,085.20/x
  3. Step 3: Cross multiply
    27,720.51x = 41,600.83 × 11,085.20
  4. Step 4: Simplify right side
    27,720.51x = 461,153,520.72
  5. Step 5: Solve for x
    x = 461,153,520.72/27,720.51
  6. Step 6: Final answer
    x = 16,635.82

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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.