Home / 28,872.36-39,844.44-16,294.68

Finding the Fourth Proportional to 28,872.36, 39,844.44 and 16,294.68

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Solution

The fourth proportional to 28,872.36, 39,844.44 and 16,294.68 is: 22,486.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,872.36 : 39,844.44 = 16,294.68 : x
  2. Step 2: Convert to fraction form
    28,872.36/39,844.44 = 16,294.68/x
  3. Step 3: Cross multiply
    28,872.36x = 39,844.44 × 16,294.68
  4. Step 4: Simplify right side
    28,872.36x = 649,252,399.58
  5. Step 5: Solve for x
    x = 649,252,399.58/28,872.36
  6. Step 6: Final answer
    x = 22,486.99

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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.