Home / 27,916.75-38,512.31-16,579.89

Finding the Fourth Proportional to 27,916.75, 38,512.31 and 16,579.89

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Solution

The fourth proportional to 27,916.75, 38,512.31 and 16,579.89 is: 22,872.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,916.75 : 38,512.31 = 16,579.89 : x
  2. Step 2: Convert to fraction form
    27,916.75/38,512.31 = 16,579.89/x
  3. Step 3: Cross multiply
    27,916.75x = 38,512.31 × 16,579.89
  4. Step 4: Simplify right side
    27,916.75x = 638,529,873.81
  5. Step 5: Solve for x
    x = 638,529,873.81/27,916.75
  6. Step 6: Final answer
    x = 22,872.64

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.