Home / 22,949.35-31,671.66-13,388.50

Finding the Fourth Proportional to 22,949.35, 31,671.66 and 13,388.50

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Solution

The fourth proportional to 22,949.35, 31,671.66 and 13,388.50 is: 18,477.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,949.35 : 31,671.66 = 13,388.50 : x
  2. Step 2: Convert to fraction form
    22,949.35/31,671.66 = 13,388.50/x
  3. Step 3: Cross multiply
    22,949.35x = 31,671.66 × 13,388.50
  4. Step 4: Simplify right side
    22,949.35x = 424,036,019.91
  5. Step 5: Solve for x
    x = 424,036,019.91/22,949.35
  6. Step 6: Final answer
    x = 18,477.04

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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.