Home / 29,127.76-40,197.72-16,381.20

Finding the Fourth Proportional to 29,127.76, 40,197.72 and 16,381.20

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Solution

The fourth proportional to 29,127.76, 40,197.72 and 16,381.20 is: 22,606.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,127.76 : 40,197.72 = 16,381.20 : x
  2. Step 2: Convert to fraction form
    29,127.76/40,197.72 = 16,381.20/x
  3. Step 3: Cross multiply
    29,127.76x = 40,197.72 × 16,381.20
  4. Step 4: Simplify right side
    29,127.76x = 658,486,890.86
  5. Step 5: Solve for x
    x = 658,486,890.86/29,127.76
  6. Step 6: Final answer
    x = 22,606.85

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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.