Home / 26,959.28-40,448.60-9,431.68

Finding the Fourth Proportional to 26,959.28, 40,448.60 and 9,431.68

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Solution

The fourth proportional to 26,959.28, 40,448.60 and 9,431.68 is: 14,150.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,959.28 : 40,448.60 = 9,431.68 : x
  2. Step 2: Convert to fraction form
    26,959.28/40,448.60 = 9,431.68/x
  3. Step 3: Cross multiply
    26,959.28x = 40,448.60 × 9,431.68
  4. Step 4: Simplify right side
    26,959.28x = 381,498,251.65
  5. Step 5: Solve for x
    x = 381,498,251.65/26,959.28
  6. Step 6: Final answer
    x = 14,150.91

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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.