Home / 28,055.41-38,716.45-17,983.85

Finding the Fourth Proportional to 28,055.41, 38,716.45 and 17,983.85

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Solution

The fourth proportional to 28,055.41, 38,716.45 and 17,983.85 is: 24,817.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,055.41 : 38,716.45 = 17,983.85 : x
  2. Step 2: Convert to fraction form
    28,055.41/38,716.45 = 17,983.85/x
  3. Step 3: Cross multiply
    28,055.41x = 38,716.45 × 17,983.85
  4. Step 4: Simplify right side
    28,055.41x = 696,270,545.83
  5. Step 5: Solve for x
    x = 696,270,545.83/28,055.41
  6. Step 6: Final answer
    x = 24,817.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.