Home / 26,465.60-39,668.20-10,660.51

Finding the Fourth Proportional to 26,465.60, 39,668.20 and 10,660.51

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Solution

The fourth proportional to 26,465.60, 39,668.20 and 10,660.51 is: 15,978.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,465.60 : 39,668.20 = 10,660.51 : x
  2. Step 2: Convert to fraction form
    26,465.60/39,668.20 = 10,660.51/x
  3. Step 3: Cross multiply
    26,465.60x = 39,668.20 × 10,660.51
  4. Step 4: Simplify right side
    26,465.60x = 422,883,377.28
  5. Step 5: Solve for x
    x = 422,883,377.28/26,465.60
  6. Step 6: Final answer
    x = 15,978.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.