Home / 27,379.30-37,781.91-15,441.93

Finding the Fourth Proportional to 27,379.30, 37,781.91 and 15,441.93

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Solution

The fourth proportional to 27,379.30, 37,781.91 and 15,441.93 is: 21,309.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,379.30 : 37,781.91 = 15,441.93 : x
  2. Step 2: Convert to fraction form
    27,379.30/37,781.91 = 15,441.93/x
  3. Step 3: Cross multiply
    27,379.30x = 37,781.91 × 15,441.93
  4. Step 4: Simplify right side
    27,379.30x = 583,425,609.49
  5. Step 5: Solve for x
    x = 583,425,609.49/27,379.30
  6. Step 6: Final answer
    x = 21,309.00

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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.