Home / 25,579.40-38,326.86-11,697.80

Finding the Fourth Proportional to 25,579.40, 38,326.86 and 11,697.80

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Solution

The fourth proportional to 25,579.40, 38,326.86 and 11,697.80 is: 17,527.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,579.40 : 38,326.86 = 11,697.80 : x
  2. Step 2: Convert to fraction form
    25,579.40/38,326.86 = 11,697.80/x
  3. Step 3: Cross multiply
    25,579.40x = 38,326.86 × 11,697.80
  4. Step 4: Simplify right side
    25,579.40x = 448,339,942.91
  5. Step 5: Solve for x
    x = 448,339,942.91/25,579.40
  6. Step 6: Final answer
    x = 17,527.38

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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.