Home / 52,269.96-72,132.15-28,396.80

Finding the Fourth Proportional to 52,269.96, 72,132.15 and 28,396.80

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Solution

The fourth proportional to 52,269.96, 72,132.15 and 28,396.80 is: 39,187.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,269.96 : 72,132.15 = 28,396.80 : x
  2. Step 2: Convert to fraction form
    52,269.96/72,132.15 = 28,396.80/x
  3. Step 3: Cross multiply
    52,269.96x = 72,132.15 × 28,396.80
  4. Step 4: Simplify right side
    52,269.96x = 2,048,322,237.12
  5. Step 5: Solve for x
    x = 2,048,322,237.12/52,269.96
  6. Step 6: Final answer
    x = 39,187.37

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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.