Home / 26,650.63-39,976.14-9,120.61

Finding the Fourth Proportional to 26,650.63, 39,976.14 and 9,120.61

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Solution

The fourth proportional to 26,650.63, 39,976.14 and 9,120.61 is: 13,680.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,650.63 : 39,976.14 = 9,120.61 : x
  2. Step 2: Convert to fraction form
    26,650.63/39,976.14 = 9,120.61/x
  3. Step 3: Cross multiply
    26,650.63x = 39,976.14 × 9,120.61
  4. Step 4: Simplify right side
    26,650.63x = 364,606,582.36
  5. Step 5: Solve for x
    x = 364,606,582.36/26,650.63
  6. Step 6: Final answer
    x = 13,680.98

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1.5x scale

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.