Home / 29,549.28-40,777-16,120.16

Finding the Fourth Proportional to 29,549.28, 40,777 and 16,120.16

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Solution

The fourth proportional to 29,549.28, 40,777 and 16,120.16 is: 22,245.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,549.28 : 40,777 = 16,120.16 : x
  2. Step 2: Convert to fraction form
    29,549.28/40,777 = 16,120.16/x
  3. Step 3: Cross multiply
    29,549.28x = 40,777 × 16,120.16
  4. Step 4: Simplify right side
    29,549.28x = 657,331,764.32
  5. Step 5: Solve for x
    x = 657,331,764.32/29,549.28
  6. Step 6: Final answer
    x = 22,245.27

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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.