Home / 25,725.58-38,589.87-9,930.69

Finding the Fourth Proportional to 25,725.58, 38,589.87 and 9,930.69

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Solution

The fourth proportional to 25,725.58, 38,589.87 and 9,930.69 is: 14,896.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,725.58 : 38,589.87 = 9,930.69 : x
  2. Step 2: Convert to fraction form
    25,725.58/38,589.87 = 9,930.69/x
  3. Step 3: Cross multiply
    25,725.58x = 38,589.87 × 9,930.69
  4. Step 4: Simplify right side
    25,725.58x = 383,224,036.11
  5. Step 5: Solve for x
    x = 383,224,036.11/25,725.58
  6. Step 6: Final answer
    x = 14,896.61

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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.