Home / 28,790.64-39,736.17-22,867.52

Finding the Fourth Proportional to 28,790.64, 39,736.17 and 22,867.52

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Solution

The fourth proportional to 28,790.64, 39,736.17 and 22,867.52 is: 31,561.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,790.64 : 39,736.17 = 22,867.52 : x
  2. Step 2: Convert to fraction form
    28,790.64/39,736.17 = 22,867.52/x
  3. Step 3: Cross multiply
    28,790.64x = 39,736.17 × 22,867.52
  4. Step 4: Simplify right side
    28,790.64x = 908,667,463.52
  5. Step 5: Solve for x
    x = 908,667,463.52/28,790.64
  6. Step 6: Final answer
    x = 31,561.21

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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.