Home / 27,313.39-37,692.44-15,380.57

Finding the Fourth Proportional to 27,313.39, 37,692.44 and 15,380.57

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Solution

The fourth proportional to 27,313.39, 37,692.44 and 15,380.57 is: 21,225.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,313.39 : 37,692.44 = 15,380.57 : x
  2. Step 2: Convert to fraction form
    27,313.39/37,692.44 = 15,380.57/x
  3. Step 3: Cross multiply
    27,313.39x = 37,692.44 × 15,380.57
  4. Step 4: Simplify right side
    27,313.39x = 579,731,286.90
  5. Step 5: Solve for x
    x = 579,731,286.90/27,313.39
  6. Step 6: Final answer
    x = 21,225.17

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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.