Home / 26,279.94-36,259.53-15,662.07

Finding the Fourth Proportional to 26,279.94, 36,259.53 and 15,662.07

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Solution

The fourth proportional to 26,279.94, 36,259.53 and 15,662.07 is: 21,609.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,279.94 : 36,259.53 = 15,662.07 : x
  2. Step 2: Convert to fraction form
    26,279.94/36,259.53 = 15,662.07/x
  3. Step 3: Cross multiply
    26,279.94x = 36,259.53 × 15,662.07
  4. Step 4: Simplify right side
    26,279.94x = 567,899,297.03
  5. Step 5: Solve for x
    x = 567,899,297.03/26,279.94
  6. Step 6: Final answer
    x = 21,609.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.