Home / 26,309.71-36,279.78-17,345.75

Finding the Fourth Proportional to 26,309.71, 36,279.78 and 17,345.75

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Solution

The fourth proportional to 26,309.71, 36,279.78 and 17,345.75 is: 23,918.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,309.71 : 36,279.78 = 17,345.75 : x
  2. Step 2: Convert to fraction form
    26,309.71/36,279.78 = 17,345.75/x
  3. Step 3: Cross multiply
    26,309.71x = 36,279.78 × 17,345.75
  4. Step 4: Simplify right side
    26,309.71x = 629,299,747.49
  5. Step 5: Solve for x
    x = 629,299,747.49/26,309.71
  6. Step 6: Final answer
    x = 23,918.92

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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.