Home / 28,837.19-39,787.81-16,894.12

Finding the Fourth Proportional to 28,837.19, 39,787.81 and 16,894.12

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Solution

The fourth proportional to 28,837.19, 39,787.81 and 16,894.12 is: 23,309.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,837.19 : 39,787.81 = 16,894.12 : x
  2. Step 2: Convert to fraction form
    28,837.19/39,787.81 = 16,894.12/x
  3. Step 3: Cross multiply
    28,837.19x = 39,787.81 × 16,894.12
  4. Step 4: Simplify right side
    28,837.19x = 672,179,858.86
  5. Step 5: Solve for x
    x = 672,179,858.86/28,837.19
  6. Step 6: Final answer
    x = 23,309.48

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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.