Home / 25,286.12-34,895.03-13,956.04

Finding the Fourth Proportional to 25,286.12, 34,895.03 and 13,956.04

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Solution

The fourth proportional to 25,286.12, 34,895.03 and 13,956.04 is: 19,259.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,286.12 : 34,895.03 = 13,956.04 : x
  2. Step 2: Convert to fraction form
    25,286.12/34,895.03 = 13,956.04/x
  3. Step 3: Cross multiply
    25,286.12x = 34,895.03 × 13,956.04
  4. Step 4: Simplify right side
    25,286.12x = 486,996,277.46
  5. Step 5: Solve for x
    x = 486,996,277.46/25,286.12
  6. Step 6: Final answer
    x = 19,259.43

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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.