Home / 23,398.29-32,289.35-12,787.83

Finding the Fourth Proportional to 23,398.29, 32,289.35 and 12,787.83

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Solution

The fourth proportional to 23,398.29, 32,289.35 and 12,787.83 is: 17,647.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,398.29 : 32,289.35 = 12,787.83 : x
  2. Step 2: Convert to fraction form
    23,398.29/32,289.35 = 12,787.83/x
  3. Step 3: Cross multiply
    23,398.29x = 32,289.35 × 12,787.83
  4. Step 4: Simplify right side
    23,398.29x = 412,910,654.67
  5. Step 5: Solve for x
    x = 412,910,654.67/23,398.29
  6. Step 6: Final answer
    x = 17,647.04

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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.