Home / 26,311.29-39,279.65-25,388.70

Finding the Fourth Proportional to 26,311.29, 39,279.65 and 25,388.70

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Solution

The fourth proportional to 26,311.29, 39,279.65 and 25,388.70 is: 37,902.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,311.29 : 39,279.65 = 25,388.70 : x
  2. Step 2: Convert to fraction form
    26,311.29/39,279.65 = 25,388.70/x
  3. Step 3: Cross multiply
    26,311.29x = 39,279.65 × 25,388.70
  4. Step 4: Simplify right side
    26,311.29x = 997,259,123.01
  5. Step 5: Solve for x
    x = 997,259,123.01/26,311.29
  6. Step 6: Final answer
    x = 37,902.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.