Home / 28,180.17-38,886.89-16,241.58

Finding the Fourth Proportional to 28,180.17, 38,886.89 and 16,241.58

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Solution

The fourth proportional to 28,180.17, 38,886.89 and 16,241.58 is: 22,412.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,180.17 : 38,886.89 = 16,241.58 : x
  2. Step 2: Convert to fraction form
    28,180.17/38,886.89 = 16,241.58/x
  3. Step 3: Cross multiply
    28,180.17x = 38,886.89 × 16,241.58
  4. Step 4: Simplify right side
    28,180.17x = 631,584,453.68
  5. Step 5: Solve for x
    x = 631,584,453.68/28,180.17
  6. Step 6: Final answer
    x = 22,412.37

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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.