Home / 25,199.27-34,775.12-13,869.90

Finding the Fourth Proportional to 25,199.27, 34,775.12 and 13,869.90

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Solution

The fourth proportional to 25,199.27, 34,775.12 and 13,869.90 is: 19,140.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,199.27 : 34,775.12 = 13,869.90 : x
  2. Step 2: Convert to fraction form
    25,199.27/34,775.12 = 13,869.90/x
  3. Step 3: Cross multiply
    25,199.27x = 34,775.12 × 13,869.90
  4. Step 4: Simplify right side
    25,199.27x = 482,327,367.54
  5. Step 5: Solve for x
    x = 482,327,367.54/25,199.27
  6. Step 6: Final answer
    x = 19,140.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.