Home / 22,906.05-31,604.82-15,349.62

Finding the Fourth Proportional to 22,906.05, 31,604.82 and 15,349.62

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Solution

The fourth proportional to 22,906.05, 31,604.82 and 15,349.62 is: 21,178.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,906.05 : 31,604.82 = 15,349.62 : x
  2. Step 2: Convert to fraction form
    22,906.05/31,604.82 = 15,349.62/x
  3. Step 3: Cross multiply
    22,906.05x = 31,604.82 × 15,349.62
  4. Step 4: Simplify right side
    22,906.05x = 485,121,977.17
  5. Step 5: Solve for x
    x = 485,121,977.17/22,906.05
  6. Step 6: Final answer
    x = 21,178.77

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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.