Home / 28,833.57-39,790.85-16,905.51

Finding the Fourth Proportional to 28,833.57, 39,790.85 and 16,905.51

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Solution

The fourth proportional to 28,833.57, 39,790.85 and 16,905.51 is: 23,329.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,833.57 : 39,790.85 = 16,905.51 : x
  2. Step 2: Convert to fraction form
    28,833.57/39,790.85 = 16,905.51/x
  3. Step 3: Cross multiply
    28,833.57x = 39,790.85 × 16,905.51
  4. Step 4: Simplify right side
    28,833.57x = 672,684,528.06
  5. Step 5: Solve for x
    x = 672,684,528.06/28,833.57
  6. Step 6: Final answer
    x = 23,329.91

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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.