Home / 25,486.22-38,257.01-18,801.75

Finding the Fourth Proportional to 25,486.22, 38,257.01 and 18,801.75

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Solution

The fourth proportional to 25,486.22, 38,257.01 and 18,801.75 is: 28,223.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,486.22 : 38,257.01 = 18,801.75 : x
  2. Step 2: Convert to fraction form
    25,486.22/38,257.01 = 18,801.75/x
  3. Step 3: Cross multiply
    25,486.22x = 38,257.01 × 18,801.75
  4. Step 4: Simplify right side
    25,486.22x = 719,298,534.94
  5. Step 5: Solve for x
    x = 719,298,534.94/25,486.22
  6. Step 6: Final answer
    x = 28,223.04

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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.