Home / 25,687.14-38,530.20-9,895.56

Finding the Fourth Proportional to 25,687.14, 38,530.20 and 9,895.56

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Solution

The fourth proportional to 25,687.14, 38,530.20 and 9,895.56 is: 14,843.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,687.14 : 38,530.20 = 9,895.56 : x
  2. Step 2: Convert to fraction form
    25,687.14/38,530.20 = 9,895.56/x
  3. Step 3: Cross multiply
    25,687.14x = 38,530.20 × 9,895.56
  4. Step 4: Simplify right side
    25,687.14x = 381,277,905.91
  5. Step 5: Solve for x
    x = 381,277,905.91/25,687.14
  6. Step 6: Final answer
    x = 14,843.14

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1.5x scale

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.