Home / 29,618.87-40,874.12-16,190.28

Finding the Fourth Proportional to 29,618.87, 40,874.12 and 16,190.28

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Solution

The fourth proportional to 29,618.87, 40,874.12 and 16,190.28 is: 22,342.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,618.87 : 40,874.12 = 16,190.28 : x
  2. Step 2: Convert to fraction form
    29,618.87/40,874.12 = 16,190.28/x
  3. Step 3: Cross multiply
    29,618.87x = 40,874.12 × 16,190.28
  4. Step 4: Simplify right side
    29,618.87x = 661,763,366.60
  5. Step 5: Solve for x
    x = 661,763,366.60/29,618.87
  6. Step 6: Final answer
    x = 22,342.63

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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.