Home / 26,403.11-36,447.70-15,790.69

Finding the Fourth Proportional to 26,403.11, 36,447.70 and 15,790.69

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Solution

The fourth proportional to 26,403.11, 36,447.70 and 15,790.69 is: 21,797.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,403.11 : 36,447.70 = 15,790.69 : x
  2. Step 2: Convert to fraction form
    26,403.11/36,447.70 = 15,790.69/x
  3. Step 3: Cross multiply
    26,403.11x = 36,447.70 × 15,790.69
  4. Step 4: Simplify right side
    26,403.11x = 575,534,201.32
  5. Step 5: Solve for x
    x = 575,534,201.32/26,403.11
  6. Step 6: Final answer
    x = 21,797.97

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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.