Home / 25,855.51-38,747.38-11,781.14

Finding the Fourth Proportional to 25,855.51, 38,747.38 and 11,781.14

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Solution

The fourth proportional to 25,855.51, 38,747.38 and 11,781.14 is: 17,655.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,855.51 : 38,747.38 = 11,781.14 : x
  2. Step 2: Convert to fraction form
    25,855.51/38,747.38 = 11,781.14/x
  3. Step 3: Cross multiply
    25,855.51x = 38,747.38 × 11,781.14
  4. Step 4: Simplify right side
    25,855.51x = 456,488,420.01
  5. Step 5: Solve for x
    x = 456,488,420.01/25,855.51
  6. Step 6: Final answer
    x = 17,655.36

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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.