Home / 31,257.88-43,136.07-17,828.99

Finding the Fourth Proportional to 31,257.88, 43,136.07 and 17,828.99

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Solution

The fourth proportional to 31,257.88, 43,136.07 and 17,828.99 is: 24,604.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,257.88 : 43,136.07 = 17,828.99 : x
  2. Step 2: Convert to fraction form
    31,257.88/43,136.07 = 17,828.99/x
  3. Step 3: Cross multiply
    31,257.88x = 43,136.07 × 17,828.99
  4. Step 4: Simplify right side
    31,257.88x = 769,072,560.67
  5. Step 5: Solve for x
    x = 769,072,560.67/31,257.88
  6. Step 6: Final answer
    x = 24,604.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.