Home / 22,787.25-31,447.62-13,358.85

Finding the Fourth Proportional to 22,787.25, 31,447.62 and 13,358.85

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Solution

The fourth proportional to 22,787.25, 31,447.62 and 13,358.85 is: 18,435.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,787.25 : 31,447.62 = 13,358.85 : x
  2. Step 2: Convert to fraction form
    22,787.25/31,447.62 = 13,358.85/x
  3. Step 3: Cross multiply
    22,787.25x = 31,447.62 × 13,358.85
  4. Step 4: Simplify right side
    22,787.25x = 420,104,038.44
  5. Step 5: Solve for x
    x = 420,104,038.44/22,787.25
  6. Step 6: Final answer
    x = 18,435.93

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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.