Home / 21,766.78-32,604.09-18,060.22

Finding the Fourth Proportional to 21,766.78, 32,604.09 and 18,060.22

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Solution

The fourth proportional to 21,766.78, 32,604.09 and 18,060.22 is: 27,052.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,766.78 : 32,604.09 = 18,060.22 : x
  2. Step 2: Convert to fraction form
    21,766.78/32,604.09 = 18,060.22/x
  3. Step 3: Cross multiply
    21,766.78x = 32,604.09 × 18,060.22
  4. Step 4: Simplify right side
    21,766.78x = 588,837,038.30
  5. Step 5: Solve for x
    x = 588,837,038.30/21,766.78
  6. Step 6: Final answer
    x = 27,052.10

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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.