Home / 26,779.20-36,944.64-15,443.52

Finding the Fourth Proportional to 26,779.20, 36,944.64 and 15,443.52

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Solution

The fourth proportional to 26,779.20, 36,944.64 and 15,443.52 is: 21,305.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,779.20 : 36,944.64 = 15,443.52 : x
  2. Step 2: Convert to fraction form
    26,779.20/36,944.64 = 15,443.52/x
  3. Step 3: Cross multiply
    26,779.20x = 36,944.64 × 15,443.52
  4. Step 4: Simplify right side
    26,779.20x = 570,555,286.73
  5. Step 5: Solve for x
    x = 570,555,286.73/26,779.20
  6. Step 6: Final answer
    x = 21,305.91

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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.