Home / 15,716.60-23,579.96-5,857.28

Finding the Fourth Proportional to 15,716.60, 23,579.96 and 5,857.28

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Solution

The fourth proportional to 15,716.60, 23,579.96 and 5,857.28 is: 8,787.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,716.60 : 23,579.96 = 5,857.28 : x
  2. Step 2: Convert to fraction form
    15,716.60/23,579.96 = 5,857.28/x
  3. Step 3: Cross multiply
    15,716.60x = 23,579.96 × 5,857.28
  4. Step 4: Simplify right side
    15,716.60x = 138,114,428.11
  5. Step 5: Solve for x
    x = 138,114,428.11/15,716.60
  6. Step 6: Final answer
    x = 8,787.81

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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.