Home / 25,687.26-38,533.94-9,888.61

Finding the Fourth Proportional to 25,687.26, 38,533.94 and 9,888.61

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Solution

The fourth proportional to 25,687.26, 38,533.94 and 9,888.61 is: 14,834.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,687.26 : 38,533.94 = 9,888.61 : x
  2. Step 2: Convert to fraction form
    25,687.26/38,533.94 = 9,888.61/x
  3. Step 3: Cross multiply
    25,687.26x = 38,533.94 × 9,888.61
  4. Step 4: Simplify right side
    25,687.26x = 381,047,104.42
  5. Step 5: Solve for x
    x = 381,047,104.42/25,687.26
  6. Step 6: Final answer
    x = 14,834.09

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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.