Home / 25,487.09-38,250.29-12,849.76

Finding the Fourth Proportional to 25,487.09, 38,250.29 and 12,849.76

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Solution

The fourth proportional to 25,487.09, 38,250.29 and 12,849.76 is: 19,284.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,487.09 : 38,250.29 = 12,849.76 : x
  2. Step 2: Convert to fraction form
    25,487.09/38,250.29 = 12,849.76/x
  3. Step 3: Cross multiply
    25,487.09x = 38,250.29 × 12,849.76
  4. Step 4: Simplify right side
    25,487.09x = 491,507,179.74
  5. Step 5: Solve for x
    x = 491,507,179.74/25,487.09
  6. Step 6: Final answer
    x = 19,284.55

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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.