Home / 27,102.60-40,554.12-16,390.76

Finding the Fourth Proportional to 27,102.60, 40,554.12 and 16,390.76

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Solution

The fourth proportional to 27,102.60, 40,554.12 and 16,390.76 is: 24,525.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,102.60 : 40,554.12 = 16,390.76 : x
  2. Step 2: Convert to fraction form
    27,102.60/40,554.12 = 16,390.76/x
  3. Step 3: Cross multiply
    27,102.60x = 40,554.12 × 16,390.76
  4. Step 4: Simplify right side
    27,102.60x = 664,712,847.93
  5. Step 5: Solve for x
    x = 664,712,847.93/27,102.60
  6. Step 6: Final answer
    x = 24,525.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.