Home / 26,529.71-39,758.02-13,390.79

Finding the Fourth Proportional to 26,529.71, 39,758.02 and 13,390.79

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Solution

The fourth proportional to 26,529.71, 39,758.02 and 13,390.79 is: 20,067.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,529.71 : 39,758.02 = 13,390.79 : x
  2. Step 2: Convert to fraction form
    26,529.71/39,758.02 = 13,390.79/x
  3. Step 3: Cross multiply
    26,529.71x = 39,758.02 × 13,390.79
  4. Step 4: Simplify right side
    26,529.71x = 532,391,064.37
  5. Step 5: Solve for x
    x = 532,391,064.37/26,529.71
  6. Step 6: Final answer
    x = 20,067.73

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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.