Home / 25,812-38,735.12-14,133.44

Finding the Fourth Proportional to 25,812, 38,735.12 and 14,133.44

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Solution

The fourth proportional to 25,812, 38,735.12 and 14,133.44 is: 21,209.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,812 : 38,735.12 = 14,133.44 : x
  2. Step 2: Convert to fraction form
    25,812/38,735.12 = 14,133.44/x
  3. Step 3: Cross multiply
    25,812x = 38,735.12 × 14,133.44
  4. Step 4: Simplify right side
    25,812x = 547,460,494.41
  5. Step 5: Solve for x
    x = 547,460,494.41/25,812
  6. Step 6: Final answer
    x = 21,209.53

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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.