Home / 27,720.13-41,530.93-15,873.43

Finding the Fourth Proportional to 27,720.13, 41,530.93 and 15,873.43

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Solution

The fourth proportional to 27,720.13, 41,530.93 and 15,873.43 is: 23,781.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,720.13 : 41,530.93 = 15,873.43 : x
  2. Step 2: Convert to fraction form
    27,720.13/41,530.93 = 15,873.43/x
  3. Step 3: Cross multiply
    27,720.13x = 41,530.93 × 15,873.43
  4. Step 4: Simplify right side
    27,720.13x = 659,238,166.68
  5. Step 5: Solve for x
    x = 659,238,166.68/27,720.13
  6. Step 6: Final answer
    x = 23,781.93

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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.