Home / 26,660.32-39,983.52-7,935.28

Finding the Fourth Proportional to 26,660.32, 39,983.52 and 7,935.28

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Solution

The fourth proportional to 26,660.32, 39,983.52 and 7,935.28 is: 11,900.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,660.32 : 39,983.52 = 7,935.28 : x
  2. Step 2: Convert to fraction form
    26,660.32/39,983.52 = 7,935.28/x
  3. Step 3: Cross multiply
    26,660.32x = 39,983.52 × 7,935.28
  4. Step 4: Simplify right side
    26,660.32x = 317,280,426.59
  5. Step 5: Solve for x
    x = 317,280,426.59/26,660.32
  6. Step 6: Final answer
    x = 11,900.85

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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.