Home / 27,272.43-40,884.02-18,956.36

Finding the Fourth Proportional to 27,272.43, 40,884.02 and 18,956.36

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Solution

The fourth proportional to 27,272.43, 40,884.02 and 18,956.36 is: 28,417.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,272.43 : 40,884.02 = 18,956.36 : x
  2. Step 2: Convert to fraction form
    27,272.43/40,884.02 = 18,956.36/x
  3. Step 3: Cross multiply
    27,272.43x = 40,884.02 × 18,956.36
  4. Step 4: Simplify right side
    27,272.43x = 775,012,201.37
  5. Step 5: Solve for x
    x = 775,012,201.37/27,272.43
  6. Step 6: Final answer
    x = 28,417.42

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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.