Home / 28,777.22-39,711.97-16,030.39

Finding the Fourth Proportional to 28,777.22, 39,711.97 and 16,030.39

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Solution

The fourth proportional to 28,777.22, 39,711.97 and 16,030.39 is: 22,121.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,777.22 : 39,711.97 = 16,030.39 : x
  2. Step 2: Convert to fraction form
    28,777.22/39,711.97 = 16,030.39/x
  3. Step 3: Cross multiply
    28,777.22x = 39,711.97 × 16,030.39
  4. Step 4: Simplify right side
    28,777.22x = 636,598,361.99
  5. Step 5: Solve for x
    x = 636,598,361.99/28,777.22
  6. Step 6: Final answer
    x = 22,121.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.