Home / 27,051.92-37,331.82-15,115.76

Finding the Fourth Proportional to 27,051.92, 37,331.82 and 15,115.76

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Solution

The fourth proportional to 27,051.92, 37,331.82 and 15,115.76 is: 20,859.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,051.92 : 37,331.82 = 15,115.76 : x
  2. Step 2: Convert to fraction form
    27,051.92/37,331.82 = 15,115.76/x
  3. Step 3: Cross multiply
    27,051.92x = 37,331.82 × 15,115.76
  4. Step 4: Simplify right side
    27,051.92x = 564,298,644.82
  5. Step 5: Solve for x
    x = 564,298,644.82/27,051.92
  6. Step 6: Final answer
    x = 20,859.84

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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.