Home / 26,279.34-39,414.74-7,555.11

Finding the Fourth Proportional to 26,279.34, 39,414.74 and 7,555.11

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Solution

The fourth proportional to 26,279.34, 39,414.74 and 7,555.11 is: 11,331.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,279.34 : 39,414.74 = 7,555.11 : x
  2. Step 2: Convert to fraction form
    26,279.34/39,414.74 = 7,555.11/x
  3. Step 3: Cross multiply
    26,279.34x = 39,414.74 × 7,555.11
  4. Step 4: Simplify right side
    26,279.34x = 297,782,696.32
  5. Step 5: Solve for x
    x = 297,782,696.32/26,279.34
  6. Step 6: Final answer
    x = 11,331.44

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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.