Home / 27,313.38-37,692.45-15,376.77

Finding the Fourth Proportional to 27,313.38, 37,692.45 and 15,376.77

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Solution

The fourth proportional to 27,313.38, 37,692.45 and 15,376.77 is: 21,219.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,313.38 : 37,692.45 = 15,376.77 : x
  2. Step 2: Convert to fraction form
    27,313.38/37,692.45 = 15,376.77/x
  3. Step 3: Cross multiply
    27,313.38x = 37,692.45 × 15,376.77
  4. Step 4: Simplify right side
    27,313.38x = 579,588,134.39
  5. Step 5: Solve for x
    x = 579,588,134.39/27,313.38
  6. Step 6: Final answer
    x = 21,219.93

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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.