Home / 26,505.33-36,609.80-19,820.69

Finding the Fourth Proportional to 26,505.33, 36,609.80 and 19,820.69

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Solution

The fourth proportional to 26,505.33, 36,609.80 and 19,820.69 is: 27,376.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,505.33 : 36,609.80 = 19,820.69 : x
  2. Step 2: Convert to fraction form
    26,505.33/36,609.80 = 19,820.69/x
  3. Step 3: Cross multiply
    26,505.33x = 36,609.80 × 19,820.69
  4. Step 4: Simplify right side
    26,505.33x = 725,631,496.76
  5. Step 5: Solve for x
    x = 725,631,496.76/26,505.33
  6. Step 6: Final answer
    x = 27,376.81

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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.