Home / 23,420.72-35,078.32-16,431.88

Finding the Fourth Proportional to 23,420.72, 35,078.32 and 16,431.88

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Solution

The fourth proportional to 23,420.72, 35,078.32 and 16,431.88 is: 24,610.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,420.72 : 35,078.32 = 16,431.88 : x
  2. Step 2: Convert to fraction form
    23,420.72/35,078.32 = 16,431.88/x
  3. Step 3: Cross multiply
    23,420.72x = 35,078.32 × 16,431.88
  4. Step 4: Simplify right side
    23,420.72x = 576,402,744.84
  5. Step 5: Solve for x
    x = 576,402,744.84/23,420.72
  6. Step 6: Final answer
    x = 24,610.80

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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.