Home / 27,814.64-41,686.92-19,875.80

Finding the Fourth Proportional to 27,814.64, 41,686.92 and 19,875.80

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Solution

The fourth proportional to 27,814.64, 41,686.92 and 19,875.80 is: 29,788.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,814.64 : 41,686.92 = 19,875.80 : x
  2. Step 2: Convert to fraction form
    27,814.64/41,686.92 = 19,875.80/x
  3. Step 3: Cross multiply
    27,814.64x = 41,686.92 × 19,875.80
  4. Step 4: Simplify right side
    27,814.64x = 828,560,884.54
  5. Step 5: Solve for x
    x = 828,560,884.54/27,814.64
  6. Step 6: Final answer
    x = 29,788.66

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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.