Home / 21,766.82-32,650.23-14,369.55

Finding the Fourth Proportional to 21,766.82, 32,650.23 and 14,369.55

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Solution

The fourth proportional to 21,766.82, 32,650.23 and 14,369.55 is: 21,554.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,766.82 : 32,650.23 = 14,369.55 : x
  2. Step 2: Convert to fraction form
    21,766.82/32,650.23 = 14,369.55/x
  3. Step 3: Cross multiply
    21,766.82x = 32,650.23 × 14,369.55
  4. Step 4: Simplify right side
    21,766.82x = 469,168,985.17
  5. Step 5: Solve for x
    x = 469,168,985.17/21,766.82
  6. Step 6: Final answer
    x = 21,554.32

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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.