Home / 26,790.39-36,862.08-21,992.69

Finding the Fourth Proportional to 26,790.39, 36,862.08 and 21,992.69

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Solution

The fourth proportional to 26,790.39, 36,862.08 and 21,992.69 is: 30,260.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,790.39 : 36,862.08 = 21,992.69 : x
  2. Step 2: Convert to fraction form
    26,790.39/36,862.08 = 21,992.69/x
  3. Step 3: Cross multiply
    26,790.39x = 36,862.08 × 21,992.69
  4. Step 4: Simplify right side
    26,790.39x = 810,696,298.20
  5. Step 5: Solve for x
    x = 810,696,298.20/26,790.39
  6. Step 6: Final answer
    x = 30,260.71

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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.