Home / 26,069.28-39,103.92-18,312.72

Finding the Fourth Proportional to 26,069.28, 39,103.92 and 18,312.72

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Solution

The fourth proportional to 26,069.28, 39,103.92 and 18,312.72 is: 27,469.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,069.28 : 39,103.92 = 18,312.72 : x
  2. Step 2: Convert to fraction form
    26,069.28/39,103.92 = 18,312.72/x
  3. Step 3: Cross multiply
    26,069.28x = 39,103.92 × 18,312.72
  4. Step 4: Simplify right side
    26,069.28x = 716,099,137.86
  5. Step 5: Solve for x
    x = 716,099,137.86/26,069.28
  6. Step 6: Final answer
    x = 27,469.08

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Similar ratio
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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.