Home / 27,333.76-40,987.68-14,172.96

Finding the Fourth Proportional to 27,333.76, 40,987.68 and 14,172.96

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Solution

The fourth proportional to 27,333.76, 40,987.68 and 14,172.96 is: 21,252.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,333.76 : 40,987.68 = 14,172.96 : x
  2. Step 2: Convert to fraction form
    27,333.76/40,987.68 = 14,172.96/x
  3. Step 3: Cross multiply
    27,333.76x = 40,987.68 × 14,172.96
  4. Step 4: Simplify right side
    27,333.76x = 580,916,749.13
  5. Step 5: Solve for x
    x = 580,916,749.13/27,333.76
  6. Step 6: Final answer
    x = 21,252.72

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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.