Home / 27,895.40-41,839.45-12,309.38

Finding the Fourth Proportional to 27,895.40, 41,839.45 and 12,309.38

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Solution

The fourth proportional to 27,895.40, 41,839.45 and 12,309.38 is: 18,462.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,895.40 : 41,839.45 = 12,309.38 : x
  2. Step 2: Convert to fraction form
    27,895.40/41,839.45 = 12,309.38/x
  3. Step 3: Cross multiply
    27,895.40x = 41,839.45 × 12,309.38
  4. Step 4: Simplify right side
    27,895.40x = 515,017,449.07
  5. Step 5: Solve for x
    x = 515,017,449.07/27,895.40
  6. Step 6: Final answer
    x = 18,462.45

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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.