Home / 25,405.82-38,167.10-17,926.58

Finding the Fourth Proportional to 25,405.82, 38,167.10 and 17,926.58

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Solution

The fourth proportional to 25,405.82, 38,167.10 and 17,926.58 is: 26,931.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,405.82 : 38,167.10 = 17,926.58 : x
  2. Step 2: Convert to fraction form
    25,405.82/38,167.10 = 17,926.58/x
  3. Step 3: Cross multiply
    25,405.82x = 38,167.10 × 17,926.58
  4. Step 4: Simplify right side
    25,405.82x = 684,205,644.53
  5. Step 5: Solve for x
    x = 684,205,644.53/25,405.82
  6. Step 6: Final answer
    x = 26,931.06

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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.