Home / 21,787.27-32,638.07-14,369.09

Finding the Fourth Proportional to 21,787.27, 32,638.07 and 14,369.09

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Solution

The fourth proportional to 21,787.27, 32,638.07 and 14,369.09 is: 21,525.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,787.27 : 32,638.07 = 14,369.09 : x
  2. Step 2: Convert to fraction form
    21,787.27/32,638.07 = 14,369.09/x
  3. Step 3: Cross multiply
    21,787.27x = 32,638.07 × 14,369.09
  4. Step 4: Simplify right side
    21,787.27x = 468,979,237.99
  5. Step 5: Solve for x
    x = 468,979,237.99/21,787.27
  6. Step 6: Final answer
    x = 21,525.38

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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.