Home / 28,371.64-42,558.66-16,676.04

Finding the Fourth Proportional to 28,371.64, 42,558.66 and 16,676.04

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Solution

The fourth proportional to 28,371.64, 42,558.66 and 16,676.04 is: 25,014.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,371.64 : 42,558.66 = 16,676.04 : x
  2. Step 2: Convert to fraction form
    28,371.64/42,558.66 = 16,676.04/x
  3. Step 3: Cross multiply
    28,371.64x = 42,558.66 × 16,676.04
  4. Step 4: Simplify right side
    28,371.64x = 709,709,916.51
  5. Step 5: Solve for x
    x = 709,709,916.51/28,371.64
  6. Step 6: Final answer
    x = 25,014.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.