Home / 27,051.91-37,331.82-15,115.75

Finding the Fourth Proportional to 27,051.91, 37,331.82 and 15,115.75

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Solution

The fourth proportional to 27,051.91, 37,331.82 and 15,115.75 is: 20,859.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,051.91 : 37,331.82 = 15,115.75 : x
  2. Step 2: Convert to fraction form
    27,051.91/37,331.82 = 15,115.75/x
  3. Step 3: Cross multiply
    27,051.91x = 37,331.82 × 15,115.75
  4. Step 4: Simplify right side
    27,051.91x = 564,298,364.84
  5. Step 5: Solve for x
    x = 564,298,364.84/27,051.91
  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.