Home / 25,178.34-37,759.78-8,308.23

Finding the Fourth Proportional to 25,178.34, 37,759.78 and 8,308.23

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Solution

The fourth proportional to 25,178.34, 37,759.78 and 8,308.23 is: 12,459.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,178.34 : 37,759.78 = 8,308.23 : x
  2. Step 2: Convert to fraction form
    25,178.34/37,759.78 = 8,308.23/x
  3. Step 3: Cross multiply
    25,178.34x = 37,759.78 × 8,308.23
  4. Step 4: Simplify right side
    25,178.34x = 313,716,936.99
  5. Step 5: Solve for x
    x = 313,716,936.99/25,178.34
  6. Step 6: Final answer
    x = 12,459.79

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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.