Home / 25,681.53-38,520.59-8,149.99

Finding the Fourth Proportional to 25,681.53, 38,520.59 and 8,149.99

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Solution

The fourth proportional to 25,681.53, 38,520.59 and 8,149.99 is: 12,224.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,681.53 : 38,520.59 = 8,149.99 : x
  2. Step 2: Convert to fraction form
    25,681.53/38,520.59 = 8,149.99/x
  3. Step 3: Cross multiply
    25,681.53x = 38,520.59 × 8,149.99
  4. Step 4: Simplify right side
    25,681.53x = 313,942,489.73
  5. Step 5: Solve for x
    x = 313,942,489.73/25,681.53
  6. Step 6: Final answer
    x = 12,224.45

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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.