Home / 27,085.13-40,632.78-12,295.09

Finding the Fourth Proportional to 27,085.13, 40,632.78 and 12,295.09

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Solution

The fourth proportional to 27,085.13, 40,632.78 and 12,295.09 is: 18,444.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,085.13 : 40,632.78 = 12,295.09 : x
  2. Step 2: Convert to fraction form
    27,085.13/40,632.78 = 12,295.09/x
  3. Step 3: Cross multiply
    27,085.13x = 40,632.78 × 12,295.09
  4. Step 4: Simplify right side
    27,085.13x = 499,583,483.89
  5. Step 5: Solve for x
    x = 499,583,483.89/27,085.13
  6. Step 6: Final answer
    x = 18,444.94

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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.