Home / 28,241.88-38,962.12-16,296.75

Finding the Fourth Proportional to 28,241.88, 38,962.12 and 16,296.75

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Solution

The fourth proportional to 28,241.88, 38,962.12 and 16,296.75 is: 22,482.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,241.88 : 38,962.12 = 16,296.75 : x
  2. Step 2: Convert to fraction form
    28,241.88/38,962.12 = 16,296.75/x
  3. Step 3: Cross multiply
    28,241.88x = 38,962.12 × 16,296.75
  4. Step 4: Simplify right side
    28,241.88x = 634,955,929.11
  5. Step 5: Solve for x
    x = 634,955,929.11/28,241.88
  6. Step 6: Final answer
    x = 22,482.78

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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.