Home / 25,286.38-34,895.18-13,955.88

Finding the Fourth Proportional to 25,286.38, 34,895.18 and 13,955.88

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Solution

The fourth proportional to 25,286.38, 34,895.18 and 13,955.88 is: 19,259.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,286.38 : 34,895.18 = 13,955.88 : x
  2. Step 2: Convert to fraction form
    25,286.38/34,895.18 = 13,955.88/x
  3. Step 3: Cross multiply
    25,286.38x = 34,895.18 × 13,955.88
  4. Step 4: Simplify right side
    25,286.38x = 486,992,944.66
  5. Step 5: Solve for x
    x = 486,992,944.66/25,286.38
  6. Step 6: Final answer
    x = 19,259.10

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1.5x scale

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.