Home / 21,777.53-32,625.18-12,866.27

Finding the Fourth Proportional to 21,777.53, 32,625.18 and 12,866.27

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Solution

The fourth proportional to 21,777.53, 32,625.18 and 12,866.27 is: 19,275.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,777.53 : 32,625.18 = 12,866.27 : x
  2. Step 2: Convert to fraction form
    21,777.53/32,625.18 = 12,866.27/x
  3. Step 3: Cross multiply
    21,777.53x = 32,625.18 × 12,866.27
  4. Step 4: Simplify right side
    21,777.53x = 419,764,211.55
  5. Step 5: Solve for x
    x = 419,764,211.55/21,777.53
  6. Step 6: Final answer
    x = 19,275.11

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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.