Home / 28,836.94-39,787.47-16,893.87

Finding the Fourth Proportional to 28,836.94, 39,787.47 and 16,893.87

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Solution

The fourth proportional to 28,836.94, 39,787.47 and 16,893.87 is: 23,309.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,836.94 : 39,787.47 = 16,893.87 : x
  2. Step 2: Convert to fraction form
    28,836.94/39,787.47 = 16,893.87/x
  3. Step 3: Cross multiply
    28,836.94x = 39,787.47 × 16,893.87
  4. Step 4: Simplify right side
    28,836.94x = 672,164,345.81
  5. Step 5: Solve for x
    x = 672,164,345.81/28,836.94
  6. Step 6: Final answer
    x = 23,309.14

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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.