Home / 52,091.12-71,885.22-28,216.38

Finding the Fourth Proportional to 52,091.12, 71,885.22 and 28,216.38

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Solution

The fourth proportional to 52,091.12, 71,885.22 and 28,216.38 is: 38,938.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,091.12 : 71,885.22 = 28,216.38 : x
  2. Step 2: Convert to fraction form
    52,091.12/71,885.22 = 28,216.38/x
  3. Step 3: Cross multiply
    52,091.12x = 71,885.22 × 28,216.38
  4. Step 4: Simplify right side
    52,091.12x = 2,028,340,683.90
  5. Step 5: Solve for x
    x = 2,028,340,683.90/52,091.12
  6. Step 6: Final answer
    x = 38,938.32

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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.