Home / 21,787.96-32,694.36-18,134.44

Finding the Fourth Proportional to 21,787.96, 32,694.36 and 18,134.44

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Solution

The fourth proportional to 21,787.96, 32,694.36 and 18,134.44 is: 27,212.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,787.96 : 32,694.36 = 18,134.44 : x
  2. Step 2: Convert to fraction form
    21,787.96/32,694.36 = 18,134.44/x
  3. Step 3: Cross multiply
    21,787.96x = 32,694.36 × 18,134.44
  4. Step 4: Simplify right side
    21,787.96x = 592,893,909.76
  5. Step 5: Solve for x
    x = 592,893,909.76/21,787.96
  6. Step 6: Final answer
    x = 27,212.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.