Home / 52,028.55-71,799.93-28,155.78

Finding the Fourth Proportional to 52,028.55, 71,799.93 and 28,155.78

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Solution

The fourth proportional to 52,028.55, 71,799.93 and 28,155.78 is: 38,855.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,028.55 : 71,799.93 = 28,155.78 : x
  2. Step 2: Convert to fraction form
    52,028.55/71,799.93 = 28,155.78/x
  3. Step 3: Cross multiply
    52,028.55x = 71,799.93 × 28,155.78
  4. Step 4: Simplify right side
    52,028.55x = 2,021,583,033.10
  5. Step 5: Solve for x
    x = 2,021,583,033.10/52,028.55
  6. Step 6: Final answer
    x = 38,855.26

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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.