Home / 52,601.70-72,589.87-28,728.47

Finding the Fourth Proportional to 52,601.70, 72,589.87 and 28,728.47

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Solution

The fourth proportional to 52,601.70, 72,589.87 and 28,728.47 is: 39,645.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,601.70 : 72,589.87 = 28,728.47 : x
  2. Step 2: Convert to fraction form
    52,601.70/72,589.87 = 28,728.47/x
  3. Step 3: Cross multiply
    52,601.70x = 72,589.87 × 28,728.47
  4. Step 4: Simplify right side
    52,601.70x = 2,085,396,119.98
  5. Step 5: Solve for x
    x = 2,085,396,119.98/52,601.70
  6. Step 6: Final answer
    x = 39,645.03

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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.