Home / 26,537.83-36,579.70-20,143.59

Finding the Fourth Proportional to 26,537.83, 36,579.70 and 20,143.59

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Solution

The fourth proportional to 26,537.83, 36,579.70 and 20,143.59 is: 27,765.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,537.83 : 36,579.70 = 20,143.59 : x
  2. Step 2: Convert to fraction form
    26,537.83/36,579.70 = 20,143.59/x
  3. Step 3: Cross multiply
    26,537.83x = 36,579.70 × 20,143.59
  4. Step 4: Simplify right side
    26,537.83x = 736,846,367.13
  5. Step 5: Solve for x
    x = 736,846,367.13/26,537.83
  6. Step 6: Final answer
    x = 27,765.89

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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.