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Finding the Fourth Proportional to 22,552.62, 31,103.70 and 16,900.62

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Solution

The fourth proportional to 22,552.62, 31,103.70 and 16,900.62 is: 23,308.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,552.62 : 31,103.70 = 16,900.62 : x
  2. Step 2: Convert to fraction form
    22,552.62/31,103.70 = 16,900.62/x
  3. Step 3: Cross multiply
    22,552.62x = 31,103.70 × 16,900.62
  4. Step 4: Simplify right side
    22,552.62x = 525,671,814.29
  5. Step 5: Solve for x
    x = 525,671,814.29/22,552.62
  6. Step 6: Final answer
    x = 23,308.68

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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.