Home / 52,028.89-71,799.87-28,155.56

Finding the Fourth Proportional to 52,028.89, 71,799.87 and 28,155.56

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Solution

The fourth proportional to 52,028.89, 71,799.87 and 28,155.56 is: 38,854.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,028.89 : 71,799.87 = 28,155.56 : x
  2. Step 2: Convert to fraction form
    52,028.89/71,799.87 = 28,155.56/x
  3. Step 3: Cross multiply
    52,028.89x = 71,799.87 × 28,155.56
  4. Step 4: Simplify right side
    52,028.89x = 2,021,565,407.00
  5. Step 5: Solve for x
    x = 2,021,565,407.00/52,028.89
  6. Step 6: Final answer
    x = 38,854.67

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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.