Home / 26,322.77-39,497.83-12,278.79

Finding the Fourth Proportional to 26,322.77, 39,497.83 and 12,278.79

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Solution

The fourth proportional to 26,322.77, 39,497.83 and 12,278.79 is: 18,424.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,322.77 : 39,497.83 = 12,278.79 : x
  2. Step 2: Convert to fraction form
    26,322.77/39,497.83 = 12,278.79/x
  3. Step 3: Cross multiply
    26,322.77x = 39,497.83 × 12,278.79
  4. Step 4: Simplify right side
    26,322.77x = 484,985,529.33
  5. Step 5: Solve for x
    x = 484,985,529.33/26,322.77
  6. Step 6: Final answer
    x = 18,424.56

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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.