Home / 26,123.28-39,164.82-12,965.44

Finding the Fourth Proportional to 26,123.28, 39,164.82 and 12,965.44

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Solution

The fourth proportional to 26,123.28, 39,164.82 and 12,965.44 is: 19,438.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,123.28 : 39,164.82 = 12,965.44 : x
  2. Step 2: Convert to fraction form
    26,123.28/39,164.82 = 12,965.44/x
  3. Step 3: Cross multiply
    26,123.28x = 39,164.82 × 12,965.44
  4. Step 4: Simplify right side
    26,123.28x = 507,789,123.82
  5. Step 5: Solve for x
    x = 507,789,123.82/26,123.28
  6. Step 6: Final answer
    x = 19,438.18

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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.