Home / 26,404.20-36,434.34-15,789.96

Finding the Fourth Proportional to 26,404.20, 36,434.34 and 15,789.96

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Solution

The fourth proportional to 26,404.20, 36,434.34 and 15,789.96 is: 21,788.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,404.20 : 36,434.34 = 15,789.96 : x
  2. Step 2: Convert to fraction form
    26,404.20/36,434.34 = 15,789.96/x
  3. Step 3: Cross multiply
    26,404.20x = 36,434.34 × 15,789.96
  4. Step 4: Simplify right side
    26,404.20x = 575,296,771.23
  5. Step 5: Solve for x
    x = 575,296,771.23/26,404.20
  6. Step 6: Final answer
    x = 21,788.08

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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.