Home / 29,087.28-40,142.52-16,512.84

Finding the Fourth Proportional to 29,087.28, 40,142.52 and 16,512.84

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Solution

The fourth proportional to 29,087.28, 40,142.52 and 16,512.84 is: 22,788.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,087.28 : 40,142.52 = 16,512.84 : x
  2. Step 2: Convert to fraction form
    29,087.28/40,142.52 = 16,512.84/x
  3. Step 3: Cross multiply
    29,087.28x = 40,142.52 × 16,512.84
  4. Step 4: Simplify right side
    29,087.28x = 662,867,009.96
  5. Step 5: Solve for x
    x = 662,867,009.96/29,087.28
  6. Step 6: Final answer
    x = 22,788.90

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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.