Home / 29,549.15-40,778.86-16,121.15

Finding the Fourth Proportional to 29,549.15, 40,778.86 and 16,121.15

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Solution

The fourth proportional to 29,549.15, 40,778.86 and 16,121.15 is: 22,247.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,549.15 : 40,778.86 = 16,121.15 : x
  2. Step 2: Convert to fraction form
    29,549.15/40,778.86 = 16,121.15/x
  3. Step 3: Cross multiply
    29,549.15x = 40,778.86 × 16,121.15
  4. Step 4: Simplify right side
    29,549.15x = 657,401,874.69
  5. Step 5: Solve for x
    x = 657,401,874.69/29,549.15
  6. Step 6: Final answer
    x = 22,247.74

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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.