Home / 27,222.96-40,808.52-8,742

Finding the Fourth Proportional to 27,222.96, 40,808.52 and 8,742

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Solution

The fourth proportional to 27,222.96, 40,808.52 and 8,742 is: 13,104.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,222.96 : 40,808.52 = 8,742 : x
  2. Step 2: Convert to fraction form
    27,222.96/40,808.52 = 8,742/x
  3. Step 3: Cross multiply
    27,222.96x = 40,808.52 × 8,742
  4. Step 4: Simplify right side
    27,222.96x = 356,748,081.84
  5. Step 5: Solve for x
    x = 356,748,081.84/27,222.96
  6. Step 6: Final answer
    x = 13,104.68

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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.