Home / 26,439.32-39,661.14-10,857.08

Finding the Fourth Proportional to 26,439.32, 39,661.14 and 10,857.08

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Solution

The fourth proportional to 26,439.32, 39,661.14 and 10,857.08 is: 16,286.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,439.32 : 39,661.14 = 10,857.08 : x
  2. Step 2: Convert to fraction form
    26,439.32/39,661.14 = 10,857.08/x
  3. Step 3: Cross multiply
    26,439.32x = 39,661.14 × 10,857.08
  4. Step 4: Simplify right side
    26,439.32x = 430,604,169.87
  5. Step 5: Solve for x
    x = 430,604,169.87/26,439.32
  6. Step 6: Final answer
    x = 16,286.51

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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.