Home / 26,082.11-39,123.26-18,325.55

Finding the Fourth Proportional to 26,082.11, 39,123.26 and 18,325.55

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Solution

The fourth proportional to 26,082.11, 39,123.26 and 18,325.55 is: 27,488.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,082.11 : 39,123.26 = 18,325.55 : x
  2. Step 2: Convert to fraction form
    26,082.11/39,123.26 = 18,325.55/x
  3. Step 3: Cross multiply
    26,082.11x = 39,123.26 × 18,325.55
  4. Step 4: Simplify right side
    26,082.11x = 716,955,257.29
  5. Step 5: Solve for x
    x = 716,955,257.29/26,082.11
  6. Step 6: Final answer
    x = 27,488.39

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Half scale
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Double scale
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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.