Home / 29,172.42-40,261.32-16,425.72

Finding the Fourth Proportional to 29,172.42, 40,261.32 and 16,425.72

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Solution

The fourth proportional to 29,172.42, 40,261.32 and 16,425.72 is: 22,669.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,172.42 : 40,261.32 = 16,425.72 : x
  2. Step 2: Convert to fraction form
    29,172.42/40,261.32 = 16,425.72/x
  3. Step 3: Cross multiply
    29,172.42x = 40,261.32 × 16,425.72
  4. Step 4: Simplify right side
    29,172.42x = 661,321,169.15
  5. Step 5: Solve for x
    x = 661,321,169.15/29,172.42
  6. Step 6: Final answer
    x = 22,669.40

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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.