Home / 25,888.09-38,773.80-18,131.53

Finding the Fourth Proportional to 25,888.09, 38,773.80 and 18,131.53

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Solution

The fourth proportional to 25,888.09, 38,773.80 and 18,131.53 is: 27,156.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,888.09 : 38,773.80 = 18,131.53 : x
  2. Step 2: Convert to fraction form
    25,888.09/38,773.80 = 18,131.53/x
  3. Step 3: Cross multiply
    25,888.09x = 38,773.80 × 18,131.53
  4. Step 4: Simplify right side
    25,888.09x = 703,028,227.26
  5. Step 5: Solve for x
    x = 703,028,227.26/25,888.09
  6. Step 6: Final answer
    x = 27,156.43

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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.