Home / 25,887.84-38,773.42-18,131.28

Finding the Fourth Proportional to 25,887.84, 38,773.42 and 18,131.28

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Solution

The fourth proportional to 25,887.84, 38,773.42 and 18,131.28 is: 27,156.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,887.84 : 38,773.42 = 18,131.28 : x
  2. Step 2: Convert to fraction form
    25,887.84/38,773.42 = 18,131.28/x
  3. Step 3: Cross multiply
    25,887.84x = 38,773.42 × 18,131.28
  4. Step 4: Simplify right side
    25,887.84x = 703,011,734.58
  5. Step 5: Solve for x
    x = 703,011,734.58/25,887.84
  6. Step 6: Final answer
    x = 27,156.06

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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.