Home / 27,310.91-37,692.68-15,376.57

Finding the Fourth Proportional to 27,310.91, 37,692.68 and 15,376.57

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Solution

The fourth proportional to 27,310.91, 37,692.68 and 15,376.57 is: 21,221.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,310.91 : 37,692.68 = 15,376.57 : x
  2. Step 2: Convert to fraction form
    27,310.91/37,692.68 = 15,376.57/x
  3. Step 3: Cross multiply
    27,310.91x = 37,692.68 × 15,376.57
  4. Step 4: Simplify right side
    27,310.91x = 579,583,961.39
  5. Step 5: Solve for x
    x = 579,583,961.39/27,310.91
  6. Step 6: Final answer
    x = 21,221.70

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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.