Home / 25,585.00-38,377.53-9,991.69

Finding the Fourth Proportional to 25,585.00, 38,377.53 and 9,991.69

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Solution

The fourth proportional to 25,585.00, 38,377.53 and 9,991.69 is: 14,987.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,585.00 : 38,377.53 = 9,991.69 : x
  2. Step 2: Convert to fraction form
    25,585.00/38,377.53 = 9,991.69/x
  3. Step 3: Cross multiply
    25,585.00x = 38,377.53 × 9,991.69
  4. Step 4: Simplify right side
    25,585.00x = 383,456,286.78
  5. Step 5: Solve for x
    x = 383,456,286.78/25,585.00
  6. Step 6: Final answer
    x = 14,987.54

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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.