Home / 26,162.48-36,117.60-20,180.72

Finding the Fourth Proportional to 26,162.48, 36,117.60 and 20,180.72

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Solution

The fourth proportional to 26,162.48, 36,117.60 and 20,180.72 is: 27,859.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,162.48 : 36,117.60 = 20,180.72 : x
  2. Step 2: Convert to fraction form
    26,162.48/36,117.60 = 20,180.72/x
  3. Step 3: Cross multiply
    26,162.48x = 36,117.60 × 20,180.72
  4. Step 4: Simplify right side
    26,162.48x = 728,879,172.67
  5. Step 5: Solve for x
    x = 728,879,172.67/26,162.48
  6. Step 6: Final answer
    x = 27,859.71

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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.