Home / 36,242.87-50,002.15-28,690.43

Finding the Fourth Proportional to 36,242.87, 50,002.15 and 28,690.43

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Solution

The fourth proportional to 36,242.87, 50,002.15 and 28,690.43 is: 39,582.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,242.87 : 50,002.15 = 28,690.43 : x
  2. Step 2: Convert to fraction form
    36,242.87/50,002.15 = 28,690.43/x
  3. Step 3: Cross multiply
    36,242.87x = 50,002.15 × 28,690.43
  4. Step 4: Simplify right side
    36,242.87x = 1,434,583,184.42
  5. Step 5: Solve for x
    x = 1,434,583,184.42/36,242.87
  6. Step 6: Final answer
    x = 39,582.49

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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.