Home / 52,028.21-71,799.11-28,154.88

Finding the Fourth Proportional to 52,028.21, 71,799.11 and 28,154.88

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Solution

The fourth proportional to 52,028.21, 71,799.11 and 28,154.88 is: 38,853.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,028.21 : 71,799.11 = 28,154.88 : x
  2. Step 2: Convert to fraction form
    52,028.21/71,799.11 = 28,154.88/x
  3. Step 3: Cross multiply
    52,028.21x = 71,799.11 × 28,154.88
  4. Step 4: Simplify right side
    52,028.21x = 2,021,495,180.09
  5. Step 5: Solve for x
    x = 2,021,495,180.09/52,028.21
  6. Step 6: Final answer
    x = 38,853.83

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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.