Home / 27,443.82-37,885.54-18,384.78

Finding the Fourth Proportional to 27,443.82, 37,885.54 and 18,384.78

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Solution

The fourth proportional to 27,443.82, 37,885.54 and 18,384.78 is: 25,379.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,443.82 : 37,885.54 = 18,384.78 : x
  2. Step 2: Convert to fraction form
    27,443.82/37,885.54 = 18,384.78/x
  3. Step 3: Cross multiply
    27,443.82x = 37,885.54 × 18,384.78
  4. Step 4: Simplify right side
    27,443.82x = 696,517,318.08
  5. Step 5: Solve for x
    x = 696,517,318.08/27,443.82
  6. Step 6: Final answer
    x = 25,379.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.