Home / 26,512.05-39,768.08-12,461.76

Finding the Fourth Proportional to 26,512.05, 39,768.08 and 12,461.76

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Solution

The fourth proportional to 26,512.05, 39,768.08 and 12,461.76 is: 18,692.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,512.05 : 39,768.08 = 12,461.76 : x
  2. Step 2: Convert to fraction form
    26,512.05/39,768.08 = 12,461.76/x
  3. Step 3: Cross multiply
    26,512.05x = 39,768.08 × 12,461.76
  4. Step 4: Simplify right side
    26,512.05x = 495,580,268.62
  5. Step 5: Solve for x
    x = 495,580,268.62/26,512.05
  6. Step 6: Final answer
    x = 18,692.64

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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.