Home / 27,157.32-40,744.82-13,118.96

Finding the Fourth Proportional to 27,157.32, 40,744.82 and 13,118.96

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Solution

The fourth proportional to 27,157.32, 40,744.82 and 13,118.96 is: 19,682.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,157.32 : 40,744.82 = 13,118.96 : x
  2. Step 2: Convert to fraction form
    27,157.32/40,744.82 = 13,118.96/x
  3. Step 3: Cross multiply
    27,157.32x = 40,744.82 × 13,118.96
  4. Step 4: Simplify right side
    27,157.32x = 534,529,663.79
  5. Step 5: Solve for x
    x = 534,529,663.79/27,157.32
  6. Step 6: Final answer
    x = 19,682.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.