Home / 27,145.14-40,743.99-13,115.04

Finding the Fourth Proportional to 27,145.14, 40,743.99 and 13,115.04

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Solution

The fourth proportional to 27,145.14, 40,743.99 and 13,115.04 is: 19,685.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,145.14 : 40,743.99 = 13,115.04 : x
  2. Step 2: Convert to fraction form
    27,145.14/40,743.99 = 13,115.04/x
  3. Step 3: Cross multiply
    27,145.14x = 40,743.99 × 13,115.04
  4. Step 4: Simplify right side
    27,145.14x = 534,359,058.61
  5. Step 5: Solve for x
    x = 534,359,058.61/27,145.14
  6. Step 6: Final answer
    x = 19,685.26

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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.