Home / 22,844.88-31,524.39-12,772.80

Finding the Fourth Proportional to 22,844.88, 31,524.39 and 12,772.80

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Solution

The fourth proportional to 22,844.88, 31,524.39 and 12,772.80 is: 17,625.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,844.88 : 31,524.39 = 12,772.80 : x
  2. Step 2: Convert to fraction form
    22,844.88/31,524.39 = 12,772.80/x
  3. Step 3: Cross multiply
    22,844.88x = 31,524.39 × 12,772.80
  4. Step 4: Simplify right side
    22,844.88x = 402,654,728.59
  5. Step 5: Solve for x
    x = 402,654,728.59/22,844.88
  6. Step 6: Final answer
    x = 17,625.60

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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.